9(u+1)=7u+13

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Solution for 9(u+1)=7u+13 equation:


Simplifying
9(u + 1) = 7u + 13

Reorder the terms:
9(1 + u) = 7u + 13
(1 * 9 + u * 9) = 7u + 13
(9 + 9u) = 7u + 13

Reorder the terms:
9 + 9u = 13 + 7u

Solving
9 + 9u = 13 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
9 + 9u + -7u = 13 + 7u + -7u

Combine like terms: 9u + -7u = 2u
9 + 2u = 13 + 7u + -7u

Combine like terms: 7u + -7u = 0
9 + 2u = 13 + 0
9 + 2u = 13

Add '-9' to each side of the equation.
9 + -9 + 2u = 13 + -9

Combine like terms: 9 + -9 = 0
0 + 2u = 13 + -9
2u = 13 + -9

Combine like terms: 13 + -9 = 4
2u = 4

Divide each side by '2'.
u = 2

Simplifying
u = 2

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