85=5(u+9)

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Solution for 85=5(u+9) equation:


Simplifying
85 = 5(u + 9)

Reorder the terms:
85 = 5(9 + u)
85 = (9 * 5 + u * 5)
85 = (45 + 5u)

Solving
85 = 45 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
85 + -5u = 45 + 5u + -5u

Combine like terms: 5u + -5u = 0
85 + -5u = 45 + 0
85 + -5u = 45

Add '-85' to each side of the equation.
85 + -85 + -5u = 45 + -85

Combine like terms: 85 + -85 = 0
0 + -5u = 45 + -85
-5u = 45 + -85

Combine like terms: 45 + -85 = -40
-5u = -40

Divide each side by '-5'.
u = 8

Simplifying
u = 8

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