7u+19=3(u+5)

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Solution for 7u+19=3(u+5) equation: 


Simplifying
7u + 19 = 3(u + 5)

Reorder the terms:
19 + 7u = 3(u + 5)

Reorder the terms:
19 + 7u = 3(5 + u)
19 + 7u = (5 * 3 + u * 3)
19 + 7u = (15 + 3u)

Solving
19 + 7u = 15 + 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.
19 + 7u + -3u = 15 + 3u + -3u

Combine like terms: 7u + -3u = 4u
19 + 4u = 15 + 3u + -3u

Combine like terms: 3u + -3u = 0
19 + 4u = 15 + 0
19 + 4u = 15

Add '-19' to each side of the equation.
19 + -19 + 4u = 15 + -19

Combine like terms: 19 + -19 = 0
0 + 4u = 15 + -19
4u = 15 + -19

Combine like terms: 15 + -19 = -4
4u = -4

Divide each side by '4'.
u = -1

Simplifying
u = -1

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