-2u-10=-7u+2u+20

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Solution for -2u-10=-7u+2u+20 equation:


Simplifying
-2u + -10 = -7u + 2u + 20

Reorder the terms:
-10 + -2u = -7u + 2u + 20

Reorder the terms:
-10 + -2u = 20 + -7u + 2u

Combine like terms: -7u + 2u = -5u
-10 + -2u = 20 + -5u

Solving
-10 + -2u = 20 + -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.
-10 + -2u + 5u = 20 + -5u + 5u

Combine like terms: -2u + 5u = 3u
-10 + 3u = 20 + -5u + 5u

Combine like terms: -5u + 5u = 0
-10 + 3u = 20 + 0
-10 + 3u = 20

Add '10' to each side of the equation.
-10 + 10 + 3u = 20 + 10

Combine like terms: -10 + 10 = 0
0 + 3u = 20 + 10
3u = 20 + 10

Combine like terms: 20 + 10 = 30
3u = 30

Divide each side by '3'.
u = 10

Simplifying
u = 10

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