-7(u-3)=-9u+33

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Solution for -7(u-3)=-9u+33 equation:


Simplifying
-7(u + -3) = -9u + 33

Reorder the terms:
-7(-3 + u) = -9u + 33
(-3 * -7 + u * -7) = -9u + 33
(21 + -7u) = -9u + 33

Reorder the terms:
21 + -7u = 33 + -9u

Solving
21 + -7u = 33 + -9u

Solving for variable 'u'.

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

Add '9u' to each side of the equation.
21 + -7u + 9u = 33 + -9u + 9u

Combine like terms: -7u + 9u = 2u
21 + 2u = 33 + -9u + 9u

Combine like terms: -9u + 9u = 0
21 + 2u = 33 + 0
21 + 2u = 33

Add '-21' to each side of the equation.
21 + -21 + 2u = 33 + -21

Combine like terms: 21 + -21 = 0
0 + 2u = 33 + -21
2u = 33 + -21

Combine like terms: 33 + -21 = 12
2u = 12

Divide each side by '2'.
u = 6

Simplifying
u = 6

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