-5u+3(u-7)=-25

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Solution for -5u+3(u-7)=-25 equation:


Simplifying
-5u + 3(u + -7) = -25

Reorder the terms:
-5u + 3(-7 + u) = -25
-5u + (-7 * 3 + u * 3) = -25
-5u + (-21 + 3u) = -25

Reorder the terms:
-21 + -5u + 3u = -25

Combine like terms: -5u + 3u = -2u
-21 + -2u = -25

Solving
-21 + -2u = -25

Solving for variable 'u'.

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

Add '21' to each side of the equation.
-21 + 21 + -2u = -25 + 21

Combine like terms: -21 + 21 = 0
0 + -2u = -25 + 21
-2u = -25 + 21

Combine like terms: -25 + 21 = -4
-2u = -4

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

Simplifying
u = 2

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