7(5x+8)=12-x-4

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Solution for 7(5x+8)=12-x-4 equation:


Simplifying
7(5x + 8) = 12 + -1x + -4

Reorder the terms:
7(8 + 5x) = 12 + -1x + -4
(8 * 7 + 5x * 7) = 12 + -1x + -4
(56 + 35x) = 12 + -1x + -4

Reorder the terms:
56 + 35x = 12 + -4 + -1x

Combine like terms: 12 + -4 = 8
56 + 35x = 8 + -1x

Solving
56 + 35x = 8 + -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.
56 + 35x + x = 8 + -1x + x

Combine like terms: 35x + x = 36x
56 + 36x = 8 + -1x + x

Combine like terms: -1x + x = 0
56 + 36x = 8 + 0
56 + 36x = 8

Add '-56' to each side of the equation.
56 + -56 + 36x = 8 + -56

Combine like terms: 56 + -56 = 0
0 + 36x = 8 + -56
36x = 8 + -56

Combine like terms: 8 + -56 = -48
36x = -48

Divide each side by '36'.
x = -1.333333333

Simplifying
x = -1.333333333

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