7-7(x+2)=9+x

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Solution for 7-7(x+2)=9+x equation:


Simplifying
7 + -7(x + 2) = 9 + x

Reorder the terms:
7 + -7(2 + x) = 9 + x
7 + (2 * -7 + x * -7) = 9 + x
7 + (-14 + -7x) = 9 + x

Combine like terms: 7 + -14 = -7
-7 + -7x = 9 + x

Solving
-7 + -7x = 9 + x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
-7 + -7x + -1x = 9 + x + -1x

Combine like terms: -7x + -1x = -8x
-7 + -8x = 9 + x + -1x

Combine like terms: x + -1x = 0
-7 + -8x = 9 + 0
-7 + -8x = 9

Add '7' to each side of the equation.
-7 + 7 + -8x = 9 + 7

Combine like terms: -7 + 7 = 0
0 + -8x = 9 + 7
-8x = 9 + 7

Combine like terms: 9 + 7 = 16
-8x = 16

Divide each side by '-8'.
x = -2

Simplifying
x = -2

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