5(-1+3x)-8(x+7)=-12

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Solution for 5(-1+3x)-8(x+7)=-12 equation:


Simplifying
5(-1 + 3x) + -8(x + 7) = -12
(-1 * 5 + 3x * 5) + -8(x + 7) = -12
(-5 + 15x) + -8(x + 7) = -12

Reorder the terms:
-5 + 15x + -8(7 + x) = -12
-5 + 15x + (7 * -8 + x * -8) = -12
-5 + 15x + (-56 + -8x) = -12

Reorder the terms:
-5 + -56 + 15x + -8x = -12

Combine like terms: -5 + -56 = -61
-61 + 15x + -8x = -12

Combine like terms: 15x + -8x = 7x
-61 + 7x = -12

Solving
-61 + 7x = -12

Solving for variable 'x'.

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

Add '61' to each side of the equation.
-61 + 61 + 7x = -12 + 61

Combine like terms: -61 + 61 = 0
0 + 7x = -12 + 61
7x = -12 + 61

Combine like terms: -12 + 61 = 49
7x = 49

Divide each side by '7'.
x = 7

Simplifying
x = 7

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