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

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


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

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

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

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

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

Combine like terms: -9u + 9u = 0
40 + 16u = -72 + 0
40 + 16u = -72

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

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

Combine like terms: -72 + -40 = -112
16u = -112

Divide each side by '16'.
u = -7

Simplifying
u = -7

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