9(u-8)=-7u-40

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Solution for 9(u-8)=-7u-40 equation:


Simplifying
9(u + -8) = -7u + -40

Reorder the terms:
9(-8 + u) = -7u + -40
(-8 * 9 + u * 9) = -7u + -40
(-72 + 9u) = -7u + -40

Reorder the terms:
-72 + 9u = -40 + -7u

Solving
-72 + 9u = -40 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
-72 + 9u + 7u = -40 + -7u + 7u

Combine like terms: 9u + 7u = 16u
-72 + 16u = -40 + -7u + 7u

Combine like terms: -7u + 7u = 0
-72 + 16u = -40 + 0
-72 + 16u = -40

Add '72' to each side of the equation.
-72 + 72 + 16u = -40 + 72

Combine like terms: -72 + 72 = 0
0 + 16u = -40 + 72
16u = -40 + 72

Combine like terms: -40 + 72 = 32
16u = 32

Divide each side by '16'.
u = 2

Simplifying
u = 2

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