3u+19=7(u+5)

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


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

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

Reorder the terms:
19 + 3u = 7(5 + u)
19 + 3u = (5 * 7 + u * 7)
19 + 3u = (35 + 7u)

Solving
19 + 3u = 35 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
19 + 3u + -7u = 35 + 7u + -7u

Combine like terms: 3u + -7u = -4u
19 + -4u = 35 + 7u + -7u

Combine like terms: 7u + -7u = 0
19 + -4u = 35 + 0
19 + -4u = 35

Add '-19' to each side of the equation.
19 + -19 + -4u = 35 + -19

Combine like terms: 19 + -19 = 0
0 + -4u = 35 + -19
-4u = 35 + -19

Combine like terms: 35 + -19 = 16
-4u = 16

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

Simplifying
u = -4

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