-3=5u+7

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Solution for -3=5u+7 equation:


Simplifying
-3 = 5u + 7

Reorder the terms:
-3 = 7 + 5u

Solving
-3 = 7 + 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.
-3 + -5u = 7 + 5u + -5u

Combine like terms: 5u + -5u = 0
-3 + -5u = 7 + 0
-3 + -5u = 7

Add '3' to each side of the equation.
-3 + 3 + -5u = 7 + 3

Combine like terms: -3 + 3 = 0
0 + -5u = 7 + 3
-5u = 7 + 3

Combine like terms: 7 + 3 = 10
-5u = 10

Divide each side by '-5'.
u = -2

Simplifying
u = -2

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