5(u+7)-8u=23

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Solution for 5(u+7)-8u=23 equation:


Simplifying
5(u + 7) + -8u = 23

Reorder the terms:
5(7 + u) + -8u = 23
(7 * 5 + u * 5) + -8u = 23
(35 + 5u) + -8u = 23

Combine like terms: 5u + -8u = -3u
35 + -3u = 23

Solving
35 + -3u = 23

Solving for variable 'u'.

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

Add '-35' to each side of the equation.
35 + -35 + -3u = 23 + -35

Combine like terms: 35 + -35 = 0
0 + -3u = 23 + -35
-3u = 23 + -35

Combine like terms: 23 + -35 = -12
-3u = -12

Divide each side by '-3'.
u = 4

Simplifying
u = 4

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