9u-40=-2(5-7u)

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Solution for 9u-40=-2(5-7u) equation:


Simplifying
9u + -40 = -2(5 + -7u)

Reorder the terms:
-40 + 9u = -2(5 + -7u)
-40 + 9u = (5 * -2 + -7u * -2)
-40 + 9u = (-10 + 14u)

Solving
-40 + 9u = -10 + 14u

Solving for variable 'u'.

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

Add '-14u' to each side of the equation.
-40 + 9u + -14u = -10 + 14u + -14u

Combine like terms: 9u + -14u = -5u
-40 + -5u = -10 + 14u + -14u

Combine like terms: 14u + -14u = 0
-40 + -5u = -10 + 0
-40 + -5u = -10

Add '40' to each side of the equation.
-40 + 40 + -5u = -10 + 40

Combine like terms: -40 + 40 = 0
0 + -5u = -10 + 40
-5u = -10 + 40

Combine like terms: -10 + 40 = 30
-5u = 30

Divide each side by '-5'.
u = -6

Simplifying
u = -6

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