-9u+30=2(u+4)

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Solution for -9u+30=2(u+4) equation:


Simplifying
-9u + 30 = 2(u + 4)

Reorder the terms:
30 + -9u = 2(u + 4)

Reorder the terms:
30 + -9u = 2(4 + u)
30 + -9u = (4 * 2 + u * 2)
30 + -9u = (8 + 2u)

Solving
30 + -9u = 8 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
30 + -9u + -2u = 8 + 2u + -2u

Combine like terms: -9u + -2u = -11u
30 + -11u = 8 + 2u + -2u

Combine like terms: 2u + -2u = 0
30 + -11u = 8 + 0
30 + -11u = 8

Add '-30' to each side of the equation.
30 + -30 + -11u = 8 + -30

Combine like terms: 30 + -30 = 0
0 + -11u = 8 + -30
-11u = 8 + -30

Combine like terms: 8 + -30 = -22
-11u = -22

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

Simplifying
u = 2

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