5(u-4)+3u=20

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Solution for 5(u-4)+3u=20 equation:


Simplifying
5(u + -4) + 3u = 20

Reorder the terms:
5(-4 + u) + 3u = 20
(-4 * 5 + u * 5) + 3u = 20
(-20 + 5u) + 3u = 20

Combine like terms: 5u + 3u = 8u
-20 + 8u = 20

Solving
-20 + 8u = 20

Solving for variable 'u'.

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

Add '20' to each side of the equation.
-20 + 20 + 8u = 20 + 20

Combine like terms: -20 + 20 = 0
0 + 8u = 20 + 20
8u = 20 + 20

Combine like terms: 20 + 20 = 40
8u = 40

Divide each side by '8'.
u = 5

Simplifying
u = 5

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