45(200-y)+30y=7125

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Solution for 45(200-y)+30y=7125 equation:


Simplifying
45(200 + -1y) + 30y = 7125
(200 * 45 + -1y * 45) + 30y = 7125
(9000 + -45y) + 30y = 7125

Combine like terms: -45y + 30y = -15y
9000 + -15y = 7125

Solving
9000 + -15y = 7125

Solving for variable 'y'.

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

Add '-9000' to each side of the equation.
9000 + -9000 + -15y = 7125 + -9000

Combine like terms: 9000 + -9000 = 0
0 + -15y = 7125 + -9000
-15y = 7125 + -9000

Combine like terms: 7125 + -9000 = -1875
-15y = -1875

Divide each side by '-15'.
y = 125

Simplifying
y = 125

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