-32=-3u-(-7)

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Solution for -32=-3u-(-7) equation:


Simplifying
-32 = -3u + -1(-7)

Multiply -1 * -7
-32 = -3u + 7

Reorder the terms:
-32 = 7 + -3u

Solving
-32 = 7 + -3u

Solving for variable 'u'.

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

Add '3u' to each side of the equation.
-32 + 3u = 7 + -3u + 3u

Combine like terms: -3u + 3u = 0
-32 + 3u = 7 + 0
-32 + 3u = 7

Add '32' to each side of the equation.
-32 + 32 + 3u = 7 + 32

Combine like terms: -32 + 32 = 0
0 + 3u = 7 + 32
3u = 7 + 32

Combine like terms: 7 + 32 = 39
3u = 39

Divide each side by '3'.
u = 13

Simplifying
u = 13

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