3(u+5)-7u=35

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Solution for 3(u+5)-7u=35 equation: 


Simplifying
3(u + 5) + -7u = 35

Reorder the terms:
3(5 + u) + -7u = 35
(5 * 3 + u * 3) + -7u = 35
(15 + 3u) + -7u = 35

Combine like terms: 3u + -7u = -4u
15 + -4u = 35

Solving
15 + -4u = 35

Solving for variable 'u'.

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

Add '-15' to each side of the equation.
15 + -15 + -4u = 35 + -15

Combine like terms: 15 + -15 = 0
0 + -4u = 35 + -15
-4u = 35 + -15

Combine like terms: 35 + -15 = 20
-4u = 20

Divide each side by '-4'.
u = -5

Simplifying
u = -5

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