7u+27=9(u+1)

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Solution for 7u+27=9(u+1) equation:


Simplifying
7u + 27 = 9(u + 1)

Reorder the terms:
27 + 7u = 9(u + 1)

Reorder the terms:
27 + 7u = 9(1 + u)
27 + 7u = (1 * 9 + u * 9)
27 + 7u = (9 + 9u)

Solving
27 + 7u = 9 + 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.
27 + 7u + -9u = 9 + 9u + -9u

Combine like terms: 7u + -9u = -2u
27 + -2u = 9 + 9u + -9u

Combine like terms: 9u + -9u = 0
27 + -2u = 9 + 0
27 + -2u = 9

Add '-27' to each side of the equation.
27 + -27 + -2u = 9 + -27

Combine like terms: 27 + -27 = 0
0 + -2u = 9 + -27
-2u = 9 + -27

Combine like terms: 9 + -27 = -18
-2u = -18

Divide each side by '-2'.
u = 9

Simplifying
u = 9

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