-7u+3(u+8)=-12

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Solution for -7u+3(u+8)=-12 equation:


Simplifying
-7u + 3(u + 8) = -12

Reorder the terms:
-7u + 3(8 + u) = -12
-7u + (8 * 3 + u * 3) = -12
-7u + (24 + 3u) = -12

Reorder the terms:
24 + -7u + 3u = -12

Combine like terms: -7u + 3u = -4u
24 + -4u = -12

Solving
24 + -4u = -12

Solving for variable 'u'.

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

Add '-24' to each side of the equation.
24 + -24 + -4u = -12 + -24

Combine like terms: 24 + -24 = 0
0 + -4u = -12 + -24
-4u = -12 + -24

Combine like terms: -12 + -24 = -36
-4u = -36

Divide each side by '-4'.
u = 9

Simplifying
u = 9

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