-3u-(5u+7)=-3

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Solution for -3u-(5u+7)=-3 equation:


Simplifying
-3u + -1(5u + 7) = -3

Reorder the terms:
-3u + -1(7 + 5u) = -3
-3u + (7 * -1 + 5u * -1) = -3
-3u + (-7 + -5u) = -3

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

Combine like terms: -3u + -5u = -8u
-7 + -8u = -3

Solving
-7 + -8u = -3

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 + -8u = -3 + 7

Combine like terms: -7 + 7 = 0
0 + -8u = -3 + 7
-8u = -3 + 7

Combine like terms: -3 + 7 = 4
-8u = 4

Divide each side by '-8'.
u = -0.5

Simplifying
u = -0.5

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