-3u+7=-5u-4

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Solution for -3u+7=-5u-4 equation:


Simplifying
-3u + 7 = -5u + -4

Reorder the terms:
7 + -3u = -5u + -4

Reorder the terms:
7 + -3u = -4 + -5u

Solving
7 + -3u = -4 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
7 + -3u + 5u = -4 + -5u + 5u

Combine like terms: -3u + 5u = 2u
7 + 2u = -4 + -5u + 5u

Combine like terms: -5u + 5u = 0
7 + 2u = -4 + 0
7 + 2u = -4

Add '-7' to each side of the equation.
7 + -7 + 2u = -4 + -7

Combine like terms: 7 + -7 = 0
0 + 2u = -4 + -7
2u = -4 + -7

Combine like terms: -4 + -7 = -11
2u = -11

Divide each side by '2'.
u = -5.5

Simplifying
u = -5.5

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