3x+7=-81-8x

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Solution for 3x+7=-81-8x equation:


Simplifying
3x + 7 = -81 + -8x

Reorder the terms:
7 + 3x = -81 + -8x

Solving
7 + 3x = -81 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
7 + 3x + 8x = -81 + -8x + 8x

Combine like terms: 3x + 8x = 11x
7 + 11x = -81 + -8x + 8x

Combine like terms: -8x + 8x = 0
7 + 11x = -81 + 0
7 + 11x = -81

Add '-7' to each side of the equation.
7 + -7 + 11x = -81 + -7

Combine like terms: 7 + -7 = 0
0 + 11x = -81 + -7
11x = -81 + -7

Combine like terms: -81 + -7 = -88
11x = -88

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

Simplifying
x = -8

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