4.50(180-y)+8.25y=1222.20

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Solution for 4.50(180-y)+8.25y=1222.20 equation: 


Simplifying
4.50(180 + -1y) + 8.25y = 1222.20
(180 * 4.50 + -1y * 4.50) + 8.25y = 1222.20
(810 + -4.5y) + 8.25y = 1222.20

Combine like terms: -4.5y + 8.25y = 3.75y
810 + 3.75y = 1222.20

Solving
810 + 3.75y = 1222.20

Solving for variable 'y'.

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

Add '-810' to each side of the equation.
810 + -810 + 3.75y = 1222.20 + -810

Combine like terms: 810 + -810 = 0
0 + 3.75y = 1222.20 + -810
3.75y = 1222.20 + -810

Combine like terms: 1222.20 + -810 = 412.2
3.75y = 412.2

Divide each side by '3.75'.
y = 109.92

Simplifying
y = 109.92

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