7u+19-10u=-20+5(-u+1)

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Solution for 7u+19-10u=-20+5(-u+1) equation: 


Simplifying
7u + 19 + -10u = -20 + 5(-1u + 1)

Reorder the terms:
19 + 7u + -10u = -20 + 5(-1u + 1)

Combine like terms: 7u + -10u = -3u
19 + -3u = -20 + 5(-1u + 1)

Reorder the terms:
19 + -3u = -20 + 5(1 + -1u)
19 + -3u = -20 + (1 * 5 + -1u * 5)
19 + -3u = -20 + (5 + -5u)

Combine like terms: -20 + 5 = -15
19 + -3u = -15 + -5u

Solving
19 + -3u = -15 + -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.
19 + -3u + 5u = -15 + -5u + 5u

Combine like terms: -3u + 5u = 2u
19 + 2u = -15 + -5u + 5u

Combine like terms: -5u + 5u = 0
19 + 2u = -15 + 0
19 + 2u = -15

Add '-19' to each side of the equation.
19 + -19 + 2u = -15 + -19

Combine like terms: 19 + -19 = 0
0 + 2u = -15 + -19
2u = -15 + -19

Combine like terms: -15 + -19 = -34
2u = -34

Divide each side by '2'.
u = -17

Simplifying
u = -17

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