7(u+4)=9u+10

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Solution for 7(u+4)=9u+10 equation:


Simplifying
7(u + 4) = 9u + 10

Reorder the terms:
7(4 + u) = 9u + 10
(4 * 7 + u * 7) = 9u + 10
(28 + 7u) = 9u + 10

Reorder the terms:
28 + 7u = 10 + 9u

Solving
28 + 7u = 10 + 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.
28 + 7u + -9u = 10 + 9u + -9u

Combine like terms: 7u + -9u = -2u
28 + -2u = 10 + 9u + -9u

Combine like terms: 9u + -9u = 0
28 + -2u = 10 + 0
28 + -2u = 10

Add '-28' to each side of the equation.
28 + -28 + -2u = 10 + -28

Combine like terms: 28 + -28 = 0
0 + -2u = 10 + -28
-2u = 10 + -28

Combine like terms: 10 + -28 = -18
-2u = -18

Divide each side by '-2'.
u = 9

Simplifying
u = 9

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