3u+3=-7(u-9)

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Solution for 3u+3=-7(u-9) equation:


Simplifying
3u + 3 = -7(u + -9)

Reorder the terms:
3 + 3u = -7(u + -9)

Reorder the terms:
3 + 3u = -7(-9 + u)
3 + 3u = (-9 * -7 + u * -7)
3 + 3u = (63 + -7u)

Solving
3 + 3u = 63 + -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.
3 + 3u + 7u = 63 + -7u + 7u

Combine like terms: 3u + 7u = 10u
3 + 10u = 63 + -7u + 7u

Combine like terms: -7u + 7u = 0
3 + 10u = 63 + 0
3 + 10u = 63

Add '-3' to each side of the equation.
3 + -3 + 10u = 63 + -3

Combine like terms: 3 + -3 = 0
0 + 10u = 63 + -3
10u = 63 + -3

Combine like terms: 63 + -3 = 60
10u = 60

Divide each side by '10'.
u = 6

Simplifying
u = 6

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