9u-45=2(u+2)

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Solution for 9u-45=2(u+2) equation:


Simplifying
9u + -45 = 2(u + 2)

Reorder the terms:
-45 + 9u = 2(u + 2)

Reorder the terms:
-45 + 9u = 2(2 + u)
-45 + 9u = (2 * 2 + u * 2)
-45 + 9u = (4 + 2u)

Solving
-45 + 9u = 4 + 2u

Solving for variable 'u'.

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

Add '-2u' to each side of the equation.
-45 + 9u + -2u = 4 + 2u + -2u

Combine like terms: 9u + -2u = 7u
-45 + 7u = 4 + 2u + -2u

Combine like terms: 2u + -2u = 0
-45 + 7u = 4 + 0
-45 + 7u = 4

Add '45' to each side of the equation.
-45 + 45 + 7u = 4 + 45

Combine like terms: -45 + 45 = 0
0 + 7u = 4 + 45
7u = 4 + 45

Combine like terms: 4 + 45 = 49
7u = 49

Divide each side by '7'.
u = 7

Simplifying
u = 7

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