Determine whether a number is a solution

An _______ is a statement indicating that two expressions are equal

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Missing

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Explanation

All equations contain an _______ symbol

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Missing

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In this equation x + 5 = 15

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Determine the left side (1)
Determine the right side (2)
The letter x is the variable (or the (3))

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x + 5

unknown

15

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Correct Answer

Explanation

This equation x + 5 = 15 can be written as 15 = x + 5

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volume_mute

True

False

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Assign true, false, or unknown to the following equations

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(1) 6 + 3 = 9
(2) 2 + 4 = 7
(3) x + 5 = 15

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false

true

unknown

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Will equation x + 5 = 15 be true if we substitute 10 for x?

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volume_mute

Yes

No

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Will equation x + 5 = 15 be true if we substitute 1 for x?

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volume_mute

Yes

No

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A solution for a true equation

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A number that makes an equation true when substituted for the variable is called a (1) and it is said to (2) the equation.

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An equation is the same as an expression

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volume_mute

True

False

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Correct Answer

Explanation

Is 9 a solution of 3y - 1 = 2y + 7?

1 pts

volume_mute

Yes

No

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An _______ is a statement indicating that two expressions are equal

Correct Answer

Explanation

All equations contain an _______ symbol

Correct Answer

Explanation

In this equation x + 5 = 15

Correct Answer

Explanation

This equation x + 5 = 15 can be written as 15 = x + 5

Correct Answer

Explanation

Assign true, false, or unknown to the following equations

Correct Answer

Explanation

Will equation x + 5 = 15 be true if we substitute 10 for x?

Correct Answer

Explanation

Will equation x + 5 = 15 be true if we substitute 1 for x?

Correct Answer

Explanation

A solution for a true equation

Correct Answer

Explanation

An equation is the same as an expression

Correct Answer

Explanation

Is 9 a solution of 3y - 1 = 2y + 7?

Correct Answer

Explanation

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