7u-13=3(u+1)

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Solution for 7u-13=3(u+1) equation:


Simplifying
7u + -13 = 3(u + 1)

Reorder the terms:
-13 + 7u = 3(u + 1)

Reorder the terms:
-13 + 7u = 3(1 + u)
-13 + 7u = (1 * 3 + u * 3)
-13 + 7u = (3 + 3u)

Solving
-13 + 7u = 3 + 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
-13 + 7u + -3u = 3 + 3u + -3u

Combine like terms: 7u + -3u = 4u
-13 + 4u = 3 + 3u + -3u

Combine like terms: 3u + -3u = 0
-13 + 4u = 3 + 0
-13 + 4u = 3

Add '13' to each side of the equation.
-13 + 13 + 4u = 3 + 13

Combine like terms: -13 + 13 = 0
0 + 4u = 3 + 13
4u = 3 + 13

Combine like terms: 3 + 13 = 16
4u = 16

Divide each side by '4'.
u = 4

Simplifying
u = 4

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