-8(u+7)=9u+12

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Solution for -8(u+7)=9u+12 equation:


Simplifying
-8(u + 7) = 9u + 12

Reorder the terms:
-8(7 + u) = 9u + 12
(7 * -8 + u * -8) = 9u + 12
(-56 + -8u) = 9u + 12

Reorder the terms:
-56 + -8u = 12 + 9u

Solving
-56 + -8u = 12 + 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
-56 + -8u + -9u = 12 + 9u + -9u

Combine like terms: -8u + -9u = -17u
-56 + -17u = 12 + 9u + -9u

Combine like terms: 9u + -9u = 0
-56 + -17u = 12 + 0
-56 + -17u = 12

Add '56' to each side of the equation.
-56 + 56 + -17u = 12 + 56

Combine like terms: -56 + 56 = 0
0 + -17u = 12 + 56
-17u = 12 + 56

Combine like terms: 12 + 56 = 68
-17u = 68

Divide each side by '-17'.
u = -4

Simplifying
u = -4

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