30=5u+2(u-6)

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Solution for 30=5u+2(u-6) equation:


Simplifying
30 = 5u + 2(u + -6)

Reorder the terms:
30 = 5u + 2(-6 + u)
30 = 5u + (-6 * 2 + u * 2)
30 = 5u + (-12 + 2u)

Reorder the terms:
30 = -12 + 5u + 2u

Combine like terms: 5u + 2u = 7u
30 = -12 + 7u

Solving
30 = -12 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
30 + -7u = -12 + 7u + -7u

Combine like terms: 7u + -7u = 0
30 + -7u = -12 + 0
30 + -7u = -12

Add '-30' to each side of the equation.
30 + -30 + -7u = -12 + -30

Combine like terms: 30 + -30 = 0
0 + -7u = -12 + -30
-7u = -12 + -30

Combine like terms: -12 + -30 = -42
-7u = -42

Divide each side by '-7'.
u = 6

Simplifying
u = 6

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