-7=5(u-5)-2u

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Solution for -7=5(u-5)-2u equation:


Simplifying
-7 = 5(u + -5) + -2u

Reorder the terms:
-7 = 5(-5 + u) + -2u
-7 = (-5 * 5 + u * 5) + -2u
-7 = (-25 + 5u) + -2u

Combine like terms: 5u + -2u = 3u
-7 = -25 + 3u

Solving
-7 = -25 + 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 = -25 + 3u + -3u

Combine like terms: 3u + -3u = 0
-7 + -3u = -25 + 0
-7 + -3u = -25

Add '7' to each side of the equation.
-7 + 7 + -3u = -25 + 7

Combine like terms: -7 + 7 = 0
0 + -3u = -25 + 7
-3u = -25 + 7

Combine like terms: -25 + 7 = -18
-3u = -18

Divide each side by '-3'.
u = 6

Simplifying
u = 6

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