-3u+1=-7(u+5)

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Solution for -3u+1=-7(u+5) equation:


Simplifying
-3u + 1 = -7(u + 5)

Reorder the terms:
1 + -3u = -7(u + 5)

Reorder the terms:
1 + -3u = -7(5 + u)
1 + -3u = (5 * -7 + u * -7)
1 + -3u = (-35 + -7u)

Solving
1 + -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.
1 + -3u + 7u = -35 + -7u + 7u

Combine like terms: -3u + 7u = 4u
1 + 4u = -35 + -7u + 7u

Combine like terms: -7u + 7u = 0
1 + 4u = -35 + 0
1 + 4u = -35

Add '-1' to each side of the equation.
1 + -1 + 4u = -35 + -1

Combine like terms: 1 + -1 = 0
0 + 4u = -35 + -1
4u = -35 + -1

Combine like terms: -35 + -1 = -36
4u = -36

Divide each side by '4'.
u = -9

Simplifying
u = -9

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