3(u-7)-8u=19

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Solution for 3(u-7)-8u=19 equation:


Simplifying
3(u + -7) + -8u = 19

Reorder the terms:
3(-7 + u) + -8u = 19
(-7 * 3 + u * 3) + -8u = 19
(-21 + 3u) + -8u = 19

Combine like terms: 3u + -8u = -5u
-21 + -5u = 19

Solving
-21 + -5u = 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 + -5u = 19 + 21

Combine like terms: -21 + 21 = 0
0 + -5u = 19 + 21
-5u = 19 + 21

Combine like terms: 19 + 21 = 40
-5u = 40

Divide each side by '-5'.
u = -8

Simplifying
u = -8

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