7x+7=2(x-4)

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Solution for 7x+7=2(x-4) equation:


Simplifying
7x + 7 = 2(x + -4)

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

Reorder the terms:
7 + 7x = 2(-4 + x)
7 + 7x = (-4 * 2 + x * 2)
7 + 7x = (-8 + 2x)

Solving
7 + 7x = -8 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
7 + 7x + -2x = -8 + 2x + -2x

Combine like terms: 7x + -2x = 5x
7 + 5x = -8 + 2x + -2x

Combine like terms: 2x + -2x = 0
7 + 5x = -8 + 0
7 + 5x = -8

Add '-7' to each side of the equation.
7 + -7 + 5x = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 5x = -8 + -7
5x = -8 + -7

Combine like terms: -8 + -7 = -15
5x = -15

Divide each side by '5'.
x = -3

Simplifying
x = -3

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