5(u-2)+7(3-u)=9u

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Solution for 5(u-2)+7(3-u)=9u equation:


Simplifying
5(u + -2) + 7(3 + -1u) = 9u

Reorder the terms:
5(-2 + u) + 7(3 + -1u) = 9u
(-2 * 5 + u * 5) + 7(3 + -1u) = 9u
(-10 + 5u) + 7(3 + -1u) = 9u
-10 + 5u + (3 * 7 + -1u * 7) = 9u
-10 + 5u + (21 + -7u) = 9u

Reorder the terms:
-10 + 21 + 5u + -7u = 9u

Combine like terms: -10 + 21 = 11
11 + 5u + -7u = 9u

Combine like terms: 5u + -7u = -2u
11 + -2u = 9u

Solving
11 + -2u = 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.
11 + -2u + -9u = 9u + -9u

Combine like terms: -2u + -9u = -11u
11 + -11u = 9u + -9u

Combine like terms: 9u + -9u = 0
11 + -11u = 0

Add '-11' to each side of the equation.
11 + -11 + -11u = 0 + -11

Combine like terms: 11 + -11 = 0
0 + -11u = 0 + -11
-11u = 0 + -11

Combine like terms: 0 + -11 = -11
-11u = -11

Divide each side by '-11'.
u = 1

Simplifying
u = 1

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