9(u-3)=4u+13

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Solution for 9(u-3)=4u+13 equation:


Simplifying
9(u + -3) = 4u + 13

Reorder the terms:
9(-3 + u) = 4u + 13
(-3 * 9 + u * 9) = 4u + 13
(-27 + 9u) = 4u + 13

Reorder the terms:
-27 + 9u = 13 + 4u

Solving
-27 + 9u = 13 + 4u

Solving for variable 'u'.

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

Add '-4u' to each side of the equation.
-27 + 9u + -4u = 13 + 4u + -4u

Combine like terms: 9u + -4u = 5u
-27 + 5u = 13 + 4u + -4u

Combine like terms: 4u + -4u = 0
-27 + 5u = 13 + 0
-27 + 5u = 13

Add '27' to each side of the equation.
-27 + 27 + 5u = 13 + 27

Combine like terms: -27 + 27 = 0
0 + 5u = 13 + 27
5u = 13 + 27

Combine like terms: 13 + 27 = 40
5u = 40

Divide each side by '5'.
u = 8

Simplifying
u = 8

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