3(u-5)-8u=-30

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Solution for 3(u-5)-8u=-30 equation: 


Simplifying
3(u + -5) + -8u = -30

Reorder the terms:
3(-5 + u) + -8u = -30
(-5 * 3 + u * 3) + -8u = -30
(-15 + 3u) + -8u = -30

Combine like terms: 3u + -8u = -5u
-15 + -5u = -30

Solving
-15 + -5u = -30

Solving for variable 'u'.

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

Add '15' to each side of the equation.
-15 + 15 + -5u = -30 + 15

Combine like terms: -15 + 15 = 0
0 + -5u = -30 + 15
-5u = -30 + 15

Combine like terms: -30 + 15 = -15
-5u = -15

Divide each side by '-5'.
u = 3

Simplifying
u = 3

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