-30=8(u+5)+2u

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Solution for -30=8(u+5)+2u equation:


Simplifying
-30 = 8(u + 5) + 2u

Reorder the terms:
-30 = 8(5 + u) + 2u
-30 = (5 * 8 + u * 8) + 2u
-30 = (40 + 8u) + 2u

Combine like terms: 8u + 2u = 10u
-30 = 40 + 10u

Solving
-30 = 40 + 10u

Solving for variable 'u'.

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

Add '-10u' to each side of the equation.
-30 + -10u = 40 + 10u + -10u

Combine like terms: 10u + -10u = 0
-30 + -10u = 40 + 0
-30 + -10u = 40

Add '30' to each side of the equation.
-30 + 30 + -10u = 40 + 30

Combine like terms: -30 + 30 = 0
0 + -10u = 40 + 30
-10u = 40 + 30

Combine like terms: 40 + 30 = 70
-10u = 70

Divide each side by '-10'.
u = -7

Simplifying
u = -7

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