9(u-2)=7u-2

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Solution for 9(u-2)=7u-2 equation:


Simplifying
9(u + -2) = 7u + -2

Reorder the terms:
9(-2 + u) = 7u + -2
(-2 * 9 + u * 9) = 7u + -2
(-18 + 9u) = 7u + -2

Reorder the terms:
-18 + 9u = -2 + 7u

Solving
-18 + 9u = -2 + 7u

Solving for variable 'u'.

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

Add '-7u' to each side of the equation.
-18 + 9u + -7u = -2 + 7u + -7u

Combine like terms: 9u + -7u = 2u
-18 + 2u = -2 + 7u + -7u

Combine like terms: 7u + -7u = 0
-18 + 2u = -2 + 0
-18 + 2u = -2

Add '18' to each side of the equation.
-18 + 18 + 2u = -2 + 18

Combine like terms: -18 + 18 = 0
0 + 2u = -2 + 18
2u = -2 + 18

Combine like terms: -2 + 18 = 16
2u = 16

Divide each side by '2'.
u = 8

Simplifying
u = 8

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