4(u-3)+20u+20=128

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Solution for 4(u-3)+20u+20=128 equation:


Simplifying
4(u + -3) + 20u + 20 = 128

Reorder the terms:
4(-3 + u) + 20u + 20 = 128
(-3 * 4 + u * 4) + 20u + 20 = 128
(-12 + 4u) + 20u + 20 = 128

Reorder the terms:
-12 + 20 + 4u + 20u = 128

Combine like terms: -12 + 20 = 8
8 + 4u + 20u = 128

Combine like terms: 4u + 20u = 24u
8 + 24u = 128

Solving
8 + 24u = 128

Solving for variable 'u'.

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

Add '-8' to each side of the equation.
8 + -8 + 24u = 128 + -8

Combine like terms: 8 + -8 = 0
0 + 24u = 128 + -8
24u = 128 + -8

Combine like terms: 128 + -8 = 120
24u = 120

Divide each side by '24'.
u = 5

Simplifying
u = 5

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