8u+7(u-8)=-11

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Solution for 8u+7(u-8)=-11 equation:


Simplifying
8u + 7(u + -8) = -11

Reorder the terms:
8u + 7(-8 + u) = -11
8u + (-8 * 7 + u * 7) = -11
8u + (-56 + 7u) = -11

Reorder the terms:
-56 + 8u + 7u = -11

Combine like terms: 8u + 7u = 15u
-56 + 15u = -11

Solving
-56 + 15u = -11

Solving for variable 'u'.

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

Add '56' to each side of the equation.
-56 + 56 + 15u = -11 + 56

Combine like terms: -56 + 56 = 0
0 + 15u = -11 + 56
15u = -11 + 56

Combine like terms: -11 + 56 = 45
15u = 45

Divide each side by '15'.
u = 3

Simplifying
u = 3

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