3[180-y]=2[90-y]

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Solution for 3[180-y]=2[90-y] equation:


Simplifying
3[180 + -1y] = 2[90 + -1y]
[180 * 3 + -1y * 3] = 2[90 + -1y]
[540 + -3y] = 2[90 + -1y]
540 + -3y = [90 * 2 + -1y * 2]
540 + -3y = [180 + -2y]

Solving
540 + -3y = 180 + -2y

Solving for variable 'y'.

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

Add '2y' to each side of the equation.
540 + -3y + 2y = 180 + -2y + 2y

Combine like terms: -3y + 2y = -1y
540 + -1y = 180 + -2y + 2y

Combine like terms: -2y + 2y = 0
540 + -1y = 180 + 0
540 + -1y = 180

Add '-540' to each side of the equation.
540 + -540 + -1y = 180 + -540

Combine like terms: 540 + -540 = 0
0 + -1y = 180 + -540
-1y = 180 + -540

Combine like terms: 180 + -540 = -360
-1y = -360

Divide each side by '-1'.
y = 360

Simplifying
y = 360

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