-5(x+9)-(-7x-9)=x

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Solution for -5(x+9)-(-7x-9)=x equation:


Simplifying
-5(x + 9) + -1(-7x + -9) = x

Reorder the terms:
-5(9 + x) + -1(-7x + -9) = x
(9 * -5 + x * -5) + -1(-7x + -9) = x
(-45 + -5x) + -1(-7x + -9) = x

Reorder the terms:
-45 + -5x + -1(-9 + -7x) = x
-45 + -5x + (-9 * -1 + -7x * -1) = x
-45 + -5x + (9 + 7x) = x

Reorder the terms:
-45 + 9 + -5x + 7x = x

Combine like terms: -45 + 9 = -36
-36 + -5x + 7x = x

Combine like terms: -5x + 7x = 2x
-36 + 2x = x

Solving
-36 + 2x = 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.
-36 + 2x + -1x = x + -1x

Combine like terms: 2x + -1x = 1x
-36 + 1x = x + -1x

Combine like terms: x + -1x = 0
-36 + 1x = 0

Add '36' to each side of the equation.
-36 + 36 + 1x = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 1x = 0 + 36
1x = 0 + 36

Combine like terms: 0 + 36 = 36
1x = 36

Divide each side by '1'.
x = 36

Simplifying
x = 36

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