7=5(u+2)-8u

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Solution for 7=5(u+2)-8u equation:


Simplifying
7 = 5(u + 2) + -8u

Reorder the terms:
7 = 5(2 + u) + -8u
7 = (2 * 5 + u * 5) + -8u
7 = (10 + 5u) + -8u

Combine like terms: 5u + -8u = -3u
7 = 10 + -3u

Solving
7 = 10 + -3u

Solving for variable 'u'.

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

Add '3u' to each side of the equation.
7 + 3u = 10 + -3u + 3u

Combine like terms: -3u + 3u = 0
7 + 3u = 10 + 0
7 + 3u = 10

Add '-7' to each side of the equation.
7 + -7 + 3u = 10 + -7

Combine like terms: 7 + -7 = 0
0 + 3u = 10 + -7
3u = 10 + -7

Combine like terms: 10 + -7 = 3
3u = 3

Divide each side by '3'.
u = 1

Simplifying
u = 1

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