4(7+2u)=40

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Solution for 4(7+2u)=40 equation: 


Simplifying
4(7 + 2u) = 40
(7 * 4 + 2u * 4) = 40
(28 + 8u) = 40

Solving
28 + 8u = 40

Solving for variable 'u'.

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

Add '-28' to each side of the equation.
28 + -28 + 8u = 40 + -28

Combine like terms: 28 + -28 = 0
0 + 8u = 40 + -28
8u = 40 + -28

Combine like terms: 40 + -28 = 12
8u = 12

Divide each side by '8'.
u = 1.5

Simplifying
u = 1.5

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