7(3-u)=u-48

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Solution for 7(3-u)=u-48 equation:


Simplifying
7(3 + -1u) = u + -48
(3 * 7 + -1u * 7) = u + -48
(21 + -7u) = u + -48

Reorder the terms:
21 + -7u = -48 + u

Solving
21 + -7u = -48 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
21 + -7u + -1u = -48 + u + -1u

Combine like terms: -7u + -1u = -8u
21 + -8u = -48 + u + -1u

Combine like terms: u + -1u = 0
21 + -8u = -48 + 0
21 + -8u = -48

Add '-21' to each side of the equation.
21 + -21 + -8u = -48 + -21

Combine like terms: 21 + -21 = 0
0 + -8u = -48 + -21
-8u = -48 + -21

Combine like terms: -48 + -21 = -69
-8u = -69

Divide each side by '-8'.
u = 8.625

Simplifying
u = 8.625

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