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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