Simplify expressions to solve equations

When solving equations, we should simplify the expressions that make up the left and right sides before applying any properties of equality. Often, that involves removing parentheses and/or combining like terms.

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QUESTION OF
Views #: 731
Questions #: 5
Time: 5 minutes
Pass Score: 80.0%
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Solve the following equation

1 pts

3(k + 1) -5k = 0

Write your answer as a variable = result

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Correct Answer

Explanation

Solve the following equation

1 pts

8a - 2(a - 7) = 68

a = (1)

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Correct Answer

Explanation

Solve the following equation

1 pts

3x - 15 = 4x + 36

x = (1)

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Correct Answer

Explanation

Solve the following equation

1 pts

3(4x - 80) + 6x = 2(x + 40)

x = (1)

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Correct Answer

Explanation

Sort the following steps to get the recommended strategy for solving equations

1 pts
Please drag and drop the options to sort them
Isolate the variable term on one side
Simplify each side of the equation
Check the result
Isolate the variable
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Correct Answer

Explanation

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0
sin cos tan
sin-1 cos-1 tan-1 π e
xy x3 x2 ex 10x
y√x 3√x √x ln log
( ) 1/x % n!
7 8 9 + MS
4 5 6 – M+
1 2 3 × M-
0 . EXP ÷ MR
± RND C = MC
Keywords
Year 8