3(u+1)=5u+7

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Solution for 3(u+1)=5u+7 equation:


Simplifying
3(u + 1) = 5u + 7

Reorder the terms:
3(1 + u) = 5u + 7
(1 * 3 + u * 3) = 5u + 7
(3 + 3u) = 5u + 7

Reorder the terms:
3 + 3u = 7 + 5u

Solving
3 + 3u = 7 + 5u

Solving for variable 'u'.

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

Add '-5u' to each side of the equation.
3 + 3u + -5u = 7 + 5u + -5u

Combine like terms: 3u + -5u = -2u
3 + -2u = 7 + 5u + -5u

Combine like terms: 5u + -5u = 0
3 + -2u = 7 + 0
3 + -2u = 7

Add '-3' to each side of the equation.
3 + -3 + -2u = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -2u = 7 + -3
-2u = 7 + -3

Combine like terms: 7 + -3 = 4
-2u = 4

Divide each side by '-2'.
u = -2

Simplifying
u = -2

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