x+8=4(-x+7)

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Solution for x+8=4(-x+7) equation:


Simplifying
x + 8 = 4(-1x + 7)

Reorder the terms:
8 + x = 4(-1x + 7)

Reorder the terms:
8 + x = 4(7 + -1x)
8 + x = (7 * 4 + -1x * 4)
8 + x = (28 + -4x)

Solving
8 + x = 28 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
8 + x + 4x = 28 + -4x + 4x

Combine like terms: x + 4x = 5x
8 + 5x = 28 + -4x + 4x

Combine like terms: -4x + 4x = 0
8 + 5x = 28 + 0
8 + 5x = 28

Add '-8' to each side of the equation.
8 + -8 + 5x = 28 + -8

Combine like terms: 8 + -8 = 0
0 + 5x = 28 + -8
5x = 28 + -8

Combine like terms: 28 + -8 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

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