-5(3u-9)+8u=7(u+5)

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Solution for -5(3u-9)+8u=7(u+5) equation:


Simplifying
-5(3u + -9) + 8u = 7(u + 5)

Reorder the terms:
-5(-9 + 3u) + 8u = 7(u + 5)
(-9 * -5 + 3u * -5) + 8u = 7(u + 5)
(45 + -15u) + 8u = 7(u + 5)

Combine like terms: -15u + 8u = -7u
45 + -7u = 7(u + 5)

Reorder the terms:
45 + -7u = 7(5 + u)
45 + -7u = (5 * 7 + u * 7)
45 + -7u = (35 + 7u)

Solving
45 + -7u = 35 + 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.
45 + -7u + -7u = 35 + 7u + -7u

Combine like terms: -7u + -7u = -14u
45 + -14u = 35 + 7u + -7u

Combine like terms: 7u + -7u = 0
45 + -14u = 35 + 0
45 + -14u = 35

Add '-45' to each side of the equation.
45 + -45 + -14u = 35 + -45

Combine like terms: 45 + -45 = 0
0 + -14u = 35 + -45
-14u = 35 + -45

Combine like terms: 35 + -45 = -10
-14u = -10

Divide each side by '-14'.
u = 0.7142857143

Simplifying
u = 0.7142857143

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