9(u-1)=6u-18

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Solution for 9(u-1)=6u-18 equation:


Simplifying
9(u + -1) = 6u + -18

Reorder the terms:
9(-1 + u) = 6u + -18
(-1 * 9 + u * 9) = 6u + -18
(-9 + 9u) = 6u + -18

Reorder the terms:
-9 + 9u = -18 + 6u

Solving
-9 + 9u = -18 + 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 + 9u + -6u = -18 + 6u + -6u

Combine like terms: 9u + -6u = 3u
-9 + 3u = -18 + 6u + -6u

Combine like terms: 6u + -6u = 0
-9 + 3u = -18 + 0
-9 + 3u = -18

Add '9' to each side of the equation.
-9 + 9 + 3u = -18 + 9

Combine like terms: -9 + 9 = 0
0 + 3u = -18 + 9
3u = -18 + 9

Combine like terms: -18 + 9 = -9
3u = -9

Divide each side by '3'.
u = -3

Simplifying
u = -3

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