-3u-(-7)=-4

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Solution for -3u-(-7)=-4 equation:


Simplifying
-3u + -1(-7) = -4

Multiply -1 * -7
-3u + 7 = -4

Reorder the terms:
7 + -3u = -4

Solving
7 + -3u = -4

Solving for variable 'u'.

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

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 = -11
-3u = -11

Divide each side by '-3'.
u = 3.666666667

Simplifying
u = 3.666666667

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