3(u+3)-8u=19

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


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

Reorder the terms:
3(3 + u) + -8u = 19
(3 * 3 + u * 3) + -8u = 19
(9 + 3u) + -8u = 19

Combine like terms: 3u + -8u = -5u
9 + -5u = 19

Solving
9 + -5u = 19

Solving for variable 'u'.

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

Add '-9' to each side of the equation.
9 + -9 + -5u = 19 + -9

Combine like terms: 9 + -9 = 0
0 + -5u = 19 + -9
-5u = 19 + -9

Combine like terms: 19 + -9 = 10
-5u = 10

Divide each side by '-5'.
u = -2

Simplifying
u = -2

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