-7=5+3u

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Solution for -7=5+3u equation:


Simplifying
-7 = 5 + 3u

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

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

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

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

Combine like terms: 5 + 7 = 12
-3u = 12

Divide each side by '-3'.
u = -4

Simplifying
u = -4

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