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

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Solution for 5(x+7)-7x=9(x-1) equation:


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

Reorder the terms:
5(7 + x) + -7x = 9(x + -1)
(7 * 5 + x * 5) + -7x = 9(x + -1)
(35 + 5x) + -7x = 9(x + -1)

Combine like terms: 5x + -7x = -2x
35 + -2x = 9(x + -1)

Reorder the terms:
35 + -2x = 9(-1 + x)
35 + -2x = (-1 * 9 + x * 9)
35 + -2x = (-9 + 9x)

Solving
35 + -2x = -9 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
35 + -2x + -9x = -9 + 9x + -9x

Combine like terms: -2x + -9x = -11x
35 + -11x = -9 + 9x + -9x

Combine like terms: 9x + -9x = 0
35 + -11x = -9 + 0
35 + -11x = -9

Add '-35' to each side of the equation.
35 + -35 + -11x = -9 + -35

Combine like terms: 35 + -35 = 0
0 + -11x = -9 + -35
-11x = -9 + -35

Combine like terms: -9 + -35 = -44
-11x = -44

Divide each side by '-11'.
x = 4

Simplifying
x = 4

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