3(u-3)=-8u-31

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Solution for 3(u-3)=-8u-31 equation:


Simplifying
3(u + -3) = -8u + -31

Reorder the terms:
3(-3 + u) = -8u + -31
(-3 * 3 + u * 3) = -8u + -31
(-9 + 3u) = -8u + -31

Reorder the terms:
-9 + 3u = -31 + -8u

Solving
-9 + 3u = -31 + -8u

Solving for variable 'u'.

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

Add '8u' to each side of the equation.
-9 + 3u + 8u = -31 + -8u + 8u

Combine like terms: 3u + 8u = 11u
-9 + 11u = -31 + -8u + 8u

Combine like terms: -8u + 8u = 0
-9 + 11u = -31 + 0
-9 + 11u = -31

Add '9' to each side of the equation.
-9 + 9 + 11u = -31 + 9

Combine like terms: -9 + 9 = 0
0 + 11u = -31 + 9
11u = -31 + 9

Combine like terms: -31 + 9 = -22
11u = -22

Divide each side by '11'.
u = -2

Simplifying
u = -2

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