-4u-u=-12+7

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Solution for -4u-u=-12+7 equation: 


Simplifying
-4u + -1u = -12 + 7

Combine like terms: -4u + -1u = -5u
-5u = -12 + 7

Combine like terms: -12 + 7 = -5
-5u = -5

Solving
-5u = -5

Solving for variable 'u'.

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

Divide each side by '-5'.
u = 1

Simplifying
u = 1

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