7u-8=5(u+2)

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


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

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

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

Solving
-8 + 7u = 10 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
-8 + 7u + -5u = 10 + 5u + -5u

Combine like terms: 7u + -5u = 2u
-8 + 2u = 10 + 5u + -5u

Combine like terms: 5u + -5u = 0
-8 + 2u = 10 + 0
-8 + 2u = 10

Add '8' to each side of the equation.
-8 + 8 + 2u = 10 + 8

Combine like terms: -8 + 8 = 0
0 + 2u = 10 + 8
2u = 10 + 8

Combine like terms: 10 + 8 = 18
2u = 18

Divide each side by '2'.
u = 9

Simplifying
u = 9

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