7(u-3)-3u=19

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Solution for 7(u-3)-3u=19 equation:


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

Reorder the terms:
7(-3 + u) + -3u = 19
(-3 * 7 + u * 7) + -3u = 19
(-21 + 7u) + -3u = 19

Combine like terms: 7u + -3u = 4u
-21 + 4u = 19

Solving
-21 + 4u = 19

Solving for variable 'u'.

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

Add '21' to each side of the equation.
-21 + 21 + 4u = 19 + 21

Combine like terms: -21 + 21 = 0
0 + 4u = 19 + 21
4u = 19 + 21

Combine like terms: 19 + 21 = 40
4u = 40

Divide each side by '4'.
u = 10

Simplifying
u = 10

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