5(u-5)-7=-3(-8u+8)-9u

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Solution for 5(u-5)-7=-3(-8u+8)-9u equation:


Simplifying
5(u + -5) + -7 = -3(-8u + 8) + -9u

Reorder the terms:
5(-5 + u) + -7 = -3(-8u + 8) + -9u
(-5 * 5 + u * 5) + -7 = -3(-8u + 8) + -9u
(-25 + 5u) + -7 = -3(-8u + 8) + -9u

Reorder the terms:
-25 + -7 + 5u = -3(-8u + 8) + -9u

Combine like terms: -25 + -7 = -32
-32 + 5u = -3(-8u + 8) + -9u

Reorder the terms:
-32 + 5u = -3(8 + -8u) + -9u
-32 + 5u = (8 * -3 + -8u * -3) + -9u
-32 + 5u = (-24 + 24u) + -9u

Combine like terms: 24u + -9u = 15u
-32 + 5u = -24 + 15u

Solving
-32 + 5u = -24 + 15u

Solving for variable 'u'.

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

Add '-15u' to each side of the equation.
-32 + 5u + -15u = -24 + 15u + -15u

Combine like terms: 5u + -15u = -10u
-32 + -10u = -24 + 15u + -15u

Combine like terms: 15u + -15u = 0
-32 + -10u = -24 + 0
-32 + -10u = -24

Add '32' to each side of the equation.
-32 + 32 + -10u = -24 + 32

Combine like terms: -32 + 32 = 0
0 + -10u = -24 + 32
-10u = -24 + 32

Combine like terms: -24 + 32 = 8
-10u = 8

Divide each side by '-10'.
u = -0.8

Simplifying
u = -0.8

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