5(x+7)+4x=7(x-1)

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Solution for 5(x+7)+4x=7(x-1) equation:


Simplifying
5(x + 7) + 4x = 7(x + -1)

Reorder the terms:
5(7 + x) + 4x = 7(x + -1)
(7 * 5 + x * 5) + 4x = 7(x + -1)
(35 + 5x) + 4x = 7(x + -1)

Combine like terms: 5x + 4x = 9x
35 + 9x = 7(x + -1)

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

Solving
35 + 9x = -7 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
35 + 9x + -7x = -7 + 7x + -7x

Combine like terms: 9x + -7x = 2x
35 + 2x = -7 + 7x + -7x

Combine like terms: 7x + -7x = 0
35 + 2x = -7 + 0
35 + 2x = -7

Add '-35' to each side of the equation.
35 + -35 + 2x = -7 + -35

Combine like terms: 35 + -35 = 0
0 + 2x = -7 + -35
2x = -7 + -35

Combine like terms: -7 + -35 = -42
2x = -42

Divide each side by '2'.
x = -21

Simplifying
x = -21

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