8(u+7)+5u=-9

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Solution for 8(u+7)+5u=-9 equation:


Simplifying
8(u + 7) + 5u = -9

Reorder the terms:
8(7 + u) + 5u = -9
(7 * 8 + u * 8) + 5u = -9
(56 + 8u) + 5u = -9

Combine like terms: 8u + 5u = 13u
56 + 13u = -9

Solving
56 + 13u = -9

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 + 13u = -9 + -56

Combine like terms: 56 + -56 = 0
0 + 13u = -9 + -56
13u = -9 + -56

Combine like terms: -9 + -56 = -65
13u = -65

Divide each side by '13'.
u = -5

Simplifying
u = -5

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