2u+8=9(u+4)

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Solution for 2u+8=9(u+4) equation:


Simplifying
2u + 8 = 9(u + 4)

Reorder the terms:
8 + 2u = 9(u + 4)

Reorder the terms:
8 + 2u = 9(4 + u)
8 + 2u = (4 * 9 + u * 9)
8 + 2u = (36 + 9u)

Solving
8 + 2u = 36 + 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.
8 + 2u + -9u = 36 + 9u + -9u

Combine like terms: 2u + -9u = -7u
8 + -7u = 36 + 9u + -9u

Combine like terms: 9u + -9u = 0
8 + -7u = 36 + 0
8 + -7u = 36

Add '-8' to each side of the equation.
8 + -8 + -7u = 36 + -8

Combine like terms: 8 + -8 = 0
0 + -7u = 36 + -8
-7u = 36 + -8

Combine like terms: 36 + -8 = 28
-7u = 28

Divide each side by '-7'.
u = -4

Simplifying
u = -4

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