7u+9=22-6u

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Solution for 7u+9=22-6u equation:


Simplifying
7u + 9 = 22 + -6u

Reorder the terms:
9 + 7u = 22 + -6u

Solving
9 + 7u = 22 + -6u

Solving for variable 'u'.

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

Add '6u' to each side of the equation.
9 + 7u + 6u = 22 + -6u + 6u

Combine like terms: 7u + 6u = 13u
9 + 13u = 22 + -6u + 6u

Combine like terms: -6u + 6u = 0
9 + 13u = 22 + 0
9 + 13u = 22

Add '-9' to each side of the equation.
9 + -9 + 13u = 22 + -9

Combine like terms: 9 + -9 = 0
0 + 13u = 22 + -9
13u = 22 + -9

Combine like terms: 22 + -9 = 13
13u = 13

Divide each side by '13'.
u = 1

Simplifying
u = 1

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