7x+4=-x-84

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Solution for 7x+4=-x-84 equation:


Simplifying
7x + 4 = -1x + -84

Reorder the terms:
4 + 7x = -1x + -84

Reorder the terms:
4 + 7x = -84 + -1x

Solving
4 + 7x = -84 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
4 + 7x + x = -84 + -1x + x

Combine like terms: 7x + x = 8x
4 + 8x = -84 + -1x + x

Combine like terms: -1x + x = 0
4 + 8x = -84 + 0
4 + 8x = -84

Add '-4' to each side of the equation.
4 + -4 + 8x = -84 + -4

Combine like terms: 4 + -4 = 0
0 + 8x = -84 + -4
8x = -84 + -4

Combine like terms: -84 + -4 = -88
8x = -88

Divide each side by '8'.
x = -11

Simplifying
x = -11

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