40-y+20=40

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Solution for 40-y+20=40 equation:


Simplifying
40 + -1y + 20 = 40

Reorder the terms:
40 + 20 + -1y = 40

Combine like terms: 40 + 20 = 60
60 + -1y = 40

Solving
60 + -1y = 40

Solving for variable 'y'.

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

Add '-60' to each side of the equation.
60 + -60 + -1y = 40 + -60

Combine like terms: 60 + -60 = 0
0 + -1y = 40 + -60
-1y = 40 + -60

Combine like terms: 40 + -60 = -20
-1y = -20

Divide each side by '-1'.
y = 20

Simplifying
y = 20

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