-2u-20=-7(u+5)

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Solution for -2u-20=-7(u+5) equation:


Simplifying
-2u + -20 = -7(u + 5)

Reorder the terms:
-20 + -2u = -7(u + 5)

Reorder the terms:
-20 + -2u = -7(5 + u)
-20 + -2u = (5 * -7 + u * -7)
-20 + -2u = (-35 + -7u)

Solving
-20 + -2u = -35 + -7u

Solving for variable 'u'.

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

Add '7u' to each side of the equation.
-20 + -2u + 7u = -35 + -7u + 7u

Combine like terms: -2u + 7u = 5u
-20 + 5u = -35 + -7u + 7u

Combine like terms: -7u + 7u = 0
-20 + 5u = -35 + 0
-20 + 5u = -35

Add '20' to each side of the equation.
-20 + 20 + 5u = -35 + 20

Combine like terms: -20 + 20 = 0
0 + 5u = -35 + 20
5u = -35 + 20

Combine like terms: -35 + 20 = -15
5u = -15

Divide each side by '5'.
u = -3

Simplifying
u = -3

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