4(u-7)-8u=-12

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Solution for 4(u-7)-8u=-12 equation:


Simplifying
4(u + -7) + -8u = -12

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

Combine like terms: 4u + -8u = -4u
-28 + -4u = -12

Solving
-28 + -4u = -12

Solving for variable 'u'.

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

Add '28' to each side of the equation.
-28 + 28 + -4u = -12 + 28

Combine like terms: -28 + 28 = 0
0 + -4u = -12 + 28
-4u = -12 + 28

Combine like terms: -12 + 28 = 16
-4u = 16

Divide each side by '-4'.
u = -4

Simplifying
u = -4

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