9*u+7=5(u+3)

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Solution for 9*u+7=5(u+3) equation:


Simplifying
9u + 7 = 5(u + 3)

Reorder the terms:
7 + 9u = 5(u + 3)

Reorder the terms:
7 + 9u = 5(3 + u)
7 + 9u = (3 * 5 + u * 5)
7 + 9u = (15 + 5u)

Solving
7 + 9u = 15 + 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.
7 + 9u + -5u = 15 + 5u + -5u

Combine like terms: 9u + -5u = 4u
7 + 4u = 15 + 5u + -5u

Combine like terms: 5u + -5u = 0
7 + 4u = 15 + 0
7 + 4u = 15

Add '-7' to each side of the equation.
7 + -7 + 4u = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 4u = 15 + -7
4u = 15 + -7

Combine like terms: 15 + -7 = 8
4u = 8

Divide each side by '4'.
u = 2

Simplifying
u = 2

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