7u-4(3u-5)=80

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Solution for 7u-4(3u-5)=80 equation:


Simplifying
7u + -4(3u + -5) = 80

Reorder the terms:
7u + -4(-5 + 3u) = 80
7u + (-5 * -4 + 3u * -4) = 80
7u + (20 + -12u) = 80

Reorder the terms:
20 + 7u + -12u = 80

Combine like terms: 7u + -12u = -5u
20 + -5u = 80

Solving
20 + -5u = 80

Solving for variable 'u'.

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

Add '-20' to each side of the equation.
20 + -20 + -5u = 80 + -20

Combine like terms: 20 + -20 = 0
0 + -5u = 80 + -20
-5u = 80 + -20

Combine like terms: 80 + -20 = 60
-5u = 60

Divide each side by '-5'.
u = -12

Simplifying
u = -12

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