-7=-4+3u

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Solution for -7=-4+3u equation: 


Simplifying
-7 = -4 + 3u

Solving
-7 = -4 + 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 = -4 + 3u + -3u

Combine like terms: 3u + -3u = 0
-7 + -3u = -4 + 0
-7 + -3u = -4

Add '7' to each side of the equation.
-7 + 7 + -3u = -4 + 7

Combine like terms: -7 + 7 = 0
0 + -3u = -4 + 7
-3u = -4 + 7

Combine like terms: -4 + 7 = 3
-3u = 3

Divide each side by '-3'.
u = -1

Simplifying
u = -1

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