7(u-4)=9u-22

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Solution for 7(u-4)=9u-22 equation:


Simplifying
7(u + -4) = 9u + -22

Reorder the terms:
7(-4 + u) = 9u + -22
(-4 * 7 + u * 7) = 9u + -22
(-28 + 7u) = 9u + -22

Reorder the terms:
-28 + 7u = -22 + 9u

Solving
-28 + 7u = -22 + 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 = -22 + 9u + -9u

Combine like terms: 7u + -9u = -2u
-28 + -2u = -22 + 9u + -9u

Combine like terms: 9u + -9u = 0
-28 + -2u = -22 + 0
-28 + -2u = -22

Add '28' to each side of the equation.
-28 + 28 + -2u = -22 + 28

Combine like terms: -28 + 28 = 0
0 + -2u = -22 + 28
-2u = -22 + 28

Combine like terms: -22 + 28 = 6
-2u = 6

Divide each side by '-2'.
u = -3

Simplifying
u = -3

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