-2(-10-15u)=5(-2u-20)

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Solution for -2(-10-15u)=5(-2u-20) equation:


Simplifying
-2(-10 + -15u) = 5(-2u + -20)
(-10 * -2 + -15u * -2) = 5(-2u + -20)
(20 + 30u) = 5(-2u + -20)

Reorder the terms:
20 + 30u = 5(-20 + -2u)
20 + 30u = (-20 * 5 + -2u * 5)
20 + 30u = (-100 + -10u)

Solving
20 + 30u = -100 + -10u

Solving for variable 'u'.

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

Add '10u' to each side of the equation.
20 + 30u + 10u = -100 + -10u + 10u

Combine like terms: 30u + 10u = 40u
20 + 40u = -100 + -10u + 10u

Combine like terms: -10u + 10u = 0
20 + 40u = -100 + 0
20 + 40u = -100

Add '-20' to each side of the equation.
20 + -20 + 40u = -100 + -20

Combine like terms: 20 + -20 = 0
0 + 40u = -100 + -20
40u = -100 + -20

Combine like terms: -100 + -20 = -120
40u = -120

Divide each side by '40'.
u = -3

Simplifying
u = -3

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