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

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


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

Reorder the terms:
7 + -2(2 + x) = 9 + x
7 + (2 * -2 + x * -2) = 9 + x
7 + (-4 + -2x) = 9 + x

Combine like terms: 7 + -4 = 3
3 + -2x = 9 + x

Solving
3 + -2x = 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.
3 + -2x + -1x = 9 + x + -1x

Combine like terms: -2x + -1x = -3x
3 + -3x = 9 + x + -1x

Combine like terms: x + -1x = 0
3 + -3x = 9 + 0
3 + -3x = 9

Add '-3' to each side of the equation.
3 + -3 + -3x = 9 + -3

Combine like terms: 3 + -3 = 0
0 + -3x = 9 + -3
-3x = 9 + -3

Combine like terms: 9 + -3 = 6
-3x = 6

Divide each side by '-3'.
x = -2

Simplifying
x = -2

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