120-5(u-5)=9(7u-5)

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Solution for 120-5(u-5)=9(7u-5) equation:


Simplifying
120 + -5(u + -5) = 9(7u + -5)

Reorder the terms:
120 + -5(-5 + u) = 9(7u + -5)
120 + (-5 * -5 + u * -5) = 9(7u + -5)
120 + (25 + -5u) = 9(7u + -5)

Combine like terms: 120 + 25 = 145
145 + -5u = 9(7u + -5)

Reorder the terms:
145 + -5u = 9(-5 + 7u)
145 + -5u = (-5 * 9 + 7u * 9)
145 + -5u = (-45 + 63u)

Solving
145 + -5u = -45 + 63u

Solving for variable 'u'.

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

Add '-63u' to each side of the equation.
145 + -5u + -63u = -45 + 63u + -63u

Combine like terms: -5u + -63u = -68u
145 + -68u = -45 + 63u + -63u

Combine like terms: 63u + -63u = 0
145 + -68u = -45 + 0
145 + -68u = -45

Add '-145' to each side of the equation.
145 + -145 + -68u = -45 + -145

Combine like terms: 145 + -145 = 0
0 + -68u = -45 + -145
-68u = -45 + -145

Combine like terms: -45 + -145 = -190
-68u = -190

Divide each side by '-68'.
u = 2.794117647

Simplifying
u = 2.794117647

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