7x-2(5x+9)=7-(11-11x)

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Solution for 7x-2(5x+9)=7-(11-11x) equation:


Simplifying
7x + -2(5x + 9) = 7 + -1(11 + -11x)

Reorder the terms:
7x + -2(9 + 5x) = 7 + -1(11 + -11x)
7x + (9 * -2 + 5x * -2) = 7 + -1(11 + -11x)
7x + (-18 + -10x) = 7 + -1(11 + -11x)

Reorder the terms:
-18 + 7x + -10x = 7 + -1(11 + -11x)

Combine like terms: 7x + -10x = -3x
-18 + -3x = 7 + -1(11 + -11x)
-18 + -3x = 7 + (11 * -1 + -11x * -1)
-18 + -3x = 7 + (-11 + 11x)

Combine like terms: 7 + -11 = -4
-18 + -3x = -4 + 11x

Solving
-18 + -3x = -4 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
-18 + -3x + -11x = -4 + 11x + -11x

Combine like terms: -3x + -11x = -14x
-18 + -14x = -4 + 11x + -11x

Combine like terms: 11x + -11x = 0
-18 + -14x = -4 + 0
-18 + -14x = -4

Add '18' to each side of the equation.
-18 + 18 + -14x = -4 + 18

Combine like terms: -18 + 18 = 0
0 + -14x = -4 + 18
-14x = -4 + 18

Combine like terms: -4 + 18 = 14
-14x = 14

Divide each side by '-14'.
x = -1

Simplifying
x = -1

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