(12u-5)-5(4u+5)=5

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Solution for (12u-5)-5(4u+5)=5 equation:


Simplifying
(12u + -5) + -5(4u + 5) = 5

Reorder the terms:
(-5 + 12u) + -5(4u + 5) = 5

Remove parenthesis around (-5 + 12u)
-5 + 12u + -5(4u + 5) = 5

Reorder the terms:
-5 + 12u + -5(5 + 4u) = 5
-5 + 12u + (5 * -5 + 4u * -5) = 5
-5 + 12u + (-25 + -20u) = 5

Reorder the terms:
-5 + -25 + 12u + -20u = 5

Combine like terms: -5 + -25 = -30
-30 + 12u + -20u = 5

Combine like terms: 12u + -20u = -8u
-30 + -8u = 5

Solving
-30 + -8u = 5

Solving for variable 'u'.

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

Add '30' to each side of the equation.
-30 + 30 + -8u = 5 + 30

Combine like terms: -30 + 30 = 0
0 + -8u = 5 + 30
-8u = 5 + 30

Combine like terms: 5 + 30 = 35
-8u = 35

Divide each side by '-8'.
u = -4.375

Simplifying
u = -4.375

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