3(400-y)+2y=1050

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Solution for 3(400-y)+2y=1050 equation:


Simplifying
3(400 + -1y) + 2y = 1050
(400 * 3 + -1y * 3) + 2y = 1050
(1200 + -3y) + 2y = 1050

Combine like terms: -3y + 2y = -1y
1200 + -1y = 1050

Solving
1200 + -1y = 1050

Solving for variable 'y'.

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

Add '-1200' to each side of the equation.
1200 + -1200 + -1y = 1050 + -1200

Combine like terms: 1200 + -1200 = 0
0 + -1y = 1050 + -1200
-1y = 1050 + -1200

Combine like terms: 1050 + -1200 = -150
-1y = -150

Divide each side by '-1'.
y = 150

Simplifying
y = 150

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