-7+4u=-15

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Solution for -7+4u=-15 equation: 


Simplifying
-7 + 4u = -15

Solving
-7 + 4u = -15

Solving for variable 'u'.

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

Add '7' to each side of the equation.
-7 + 7 + 4u = -15 + 7

Combine like terms: -7 + 7 = 0
0 + 4u = -15 + 7
4u = -15 + 7

Combine like terms: -15 + 7 = -8
4u = -8

Divide each side by '4'.
u = -2

Simplifying
u = -2

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