-7u+15=-5(u-7)

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Solution for -7u+15=-5(u-7) equation:


Simplifying
-7u + 15 = -5(u + -7)

Reorder the terms:
15 + -7u = -5(u + -7)

Reorder the terms:
15 + -7u = -5(-7 + u)
15 + -7u = (-7 * -5 + u * -5)
15 + -7u = (35 + -5u)

Solving
15 + -7u = 35 + -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.
15 + -7u + 5u = 35 + -5u + 5u

Combine like terms: -7u + 5u = -2u
15 + -2u = 35 + -5u + 5u

Combine like terms: -5u + 5u = 0
15 + -2u = 35 + 0
15 + -2u = 35

Add '-15' to each side of the equation.
15 + -15 + -2u = 35 + -15

Combine like terms: 15 + -15 = 0
0 + -2u = 35 + -15
-2u = 35 + -15

Combine like terms: 35 + -15 = 20
-2u = 20

Divide each side by '-2'.
u = -10

Simplifying
u = -10

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