-12u-9+7u=26

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Solution for -12u-9+7u=26 equation:


Simplifying
-12u + -9 + 7u = 26

Reorder the terms:
-9 + -12u + 7u = 26

Combine like terms: -12u + 7u = -5u
-9 + -5u = 26

Solving
-9 + -5u = 26

Solving for variable 'u'.

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

Add '9' to each side of the equation.
-9 + 9 + -5u = 26 + 9

Combine like terms: -9 + 9 = 0
0 + -5u = 26 + 9
-5u = 26 + 9

Combine like terms: 26 + 9 = 35
-5u = 35

Divide each side by '-5'.
u = -7

Simplifying
u = -7

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