-3u+17=-7(u-3)

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Solution for -3u+17=-7(u-3) equation:


Simplifying
-3u + 17 = -7(u + -3)

Reorder the terms:
17 + -3u = -7(u + -3)

Reorder the terms:
17 + -3u = -7(-3 + u)
17 + -3u = (-3 * -7 + u * -7)
17 + -3u = (21 + -7u)

Solving
17 + -3u = 21 + -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.
17 + -3u + 7u = 21 + -7u + 7u

Combine like terms: -3u + 7u = 4u
17 + 4u = 21 + -7u + 7u

Combine like terms: -7u + 7u = 0
17 + 4u = 21 + 0
17 + 4u = 21

Add '-17' to each side of the equation.
17 + -17 + 4u = 21 + -17

Combine like terms: 17 + -17 = 0
0 + 4u = 21 + -17
4u = 21 + -17

Combine like terms: 21 + -17 = 4
4u = 4

Divide each side by '4'.
u = 1

Simplifying
u = 1

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