5(u+4)=9u+8

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Solution for 5(u+4)=9u+8 equation:


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

Reorder the terms:
5(4 + u) = 9u + 8
(4 * 5 + u * 5) = 9u + 8
(20 + 5u) = 9u + 8

Reorder the terms:
20 + 5u = 8 + 9u

Solving
20 + 5u = 8 + 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.
20 + 5u + -9u = 8 + 9u + -9u

Combine like terms: 5u + -9u = -4u
20 + -4u = 8 + 9u + -9u

Combine like terms: 9u + -9u = 0
20 + -4u = 8 + 0
20 + -4u = 8

Add '-20' to each side of the equation.
20 + -20 + -4u = 8 + -20

Combine like terms: 20 + -20 = 0
0 + -4u = 8 + -20
-4u = 8 + -20

Combine like terms: 8 + -20 = -12
-4u = -12

Divide each side by '-4'.
u = 3

Simplifying
u = 3

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