Use the addition property of equality

Adding the same number to both sides of an equation does not change its solution.

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Views #: 1227
Questions #: 8
Time: 10 minutes
Pass Score: 80.0%
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To solve an equation means to find all values of the variable that make the equation true

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Equations with the same solutions are called ________ equations

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Adding the same number to both sides of an equation does not change its solution

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Solve the following equation

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x - 2 = 3

x = (1)

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When we see a variable at one side of an equation, we say this variable is ________

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Solve the following equation

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-19 = y - 7

y = (1)

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When we solve an equation, we must isolate the variable to the left side of the equation

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Solve the following equation

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-27 + y = -3

y = (1)

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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