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

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


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

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

Solving
28 + 4x = -8 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
28 + 4x + -1x = -8 + 1x + -1x

Combine like terms: 4x + -1x = 3x
28 + 3x = -8 + 1x + -1x

Combine like terms: 1x + -1x = 0
28 + 3x = -8 + 0
28 + 3x = -8

Add '-28' to each side of the equation.
28 + -28 + 3x = -8 + -28

Combine like terms: 28 + -28 = 0
0 + 3x = -8 + -28
3x = -8 + -28

Combine like terms: -8 + -28 = -36
3x = -36

Divide each side by '3'.
x = -12

Simplifying
x = -12

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