48=u+7u

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Solution for 48=u+7u equation:


Simplifying
48 = u + 7u

Combine like terms: u + 7u = 8u
48 = 8u

Solving
48 = 8u

Solving for variable 'u'.

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

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

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

Add '-48' to each side of the equation.
48 + -48 + -8u = 0 + -48

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

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

Divide each side by '-8'.
u = 6

Simplifying
u = 6

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