-7(x+4)-15=12+8

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Solution for -7(x+4)-15=12+8 equation:


Simplifying
-7(x + 4) + -15 = 12 + 8

Reorder the terms:
-7(4 + x) + -15 = 12 + 8
(4 * -7 + x * -7) + -15 = 12 + 8
(-28 + -7x) + -15 = 12 + 8

Reorder the terms:
-28 + -15 + -7x = 12 + 8

Combine like terms: -28 + -15 = -43
-43 + -7x = 12 + 8

Combine like terms: 12 + 8 = 20
-43 + -7x = 20

Solving
-43 + -7x = 20

Solving for variable 'x'.

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

Add '43' to each side of the equation.
-43 + 43 + -7x = 20 + 43

Combine like terms: -43 + 43 = 0
0 + -7x = 20 + 43
-7x = 20 + 43

Combine like terms: 20 + 43 = 63
-7x = 63

Divide each side by '-7'.
x = -9

Simplifying
x = -9

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