85=5u+15

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Solution for 85=5u+15 equation:


Simplifying
85 = 5u + 15

Reorder the terms:
85 = 15 + 5u

Solving
85 = 15 + 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 = 15 + 5u + -5u

Combine like terms: 5u + -5u = 0
85 + -5u = 15 + 0
85 + -5u = 15

Add '-85' to each side of the equation.
85 + -85 + -5u = 15 + -85

Combine like terms: 85 + -85 = 0
0 + -5u = 15 + -85
-5u = 15 + -85

Combine like terms: 15 + -85 = -70
-5u = -70

Divide each side by '-5'.
u = 14

Simplifying
u = 14

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