3u+5(u-6)=18

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Solution for 3u+5(u-6)=18 equation:


Simplifying
3u + 5(u + -6) = 18

Reorder the terms:
3u + 5(-6 + u) = 18
3u + (-6 * 5 + u * 5) = 18
3u + (-30 + 5u) = 18

Reorder the terms:
-30 + 3u + 5u = 18

Combine like terms: 3u + 5u = 8u
-30 + 8u = 18

Solving
-30 + 8u = 18

Solving for variable 'u'.

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

Add '30' to each side of the equation.
-30 + 30 + 8u = 18 + 30

Combine like terms: -30 + 30 = 0
0 + 8u = 18 + 30
8u = 18 + 30

Combine like terms: 18 + 30 = 48
8u = 48

Divide each side by '8'.
u = 6

Simplifying
u = 6

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