180-(2y+20)=180-2y-20

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Solution for 180-(2y+20)=180-2y-20 equation: 


Simplifying
180 + -1(2y + 20) = 180 + -2y + -20

Reorder the terms:
180 + -1(20 + 2y) = 180 + -2y + -20
180 + (20 * -1 + 2y * -1) = 180 + -2y + -20
180 + (-20 + -2y) = 180 + -2y + -20

Combine like terms: 180 + -20 = 160
160 + -2y = 180 + -2y + -20

Reorder the terms:
160 + -2y = 180 + -20 + -2y

Combine like terms: 180 + -20 = 160
160 + -2y = 160 + -2y

Add '-160' to each side of the equation.
160 + -160 + -2y = 160 + -160 + -2y

Combine like terms: 160 + -160 = 0
0 + -2y = 160 + -160 + -2y
-2y = 160 + -160 + -2y

Combine like terms: 160 + -160 = 0
-2y = 0 + -2y
-2y = -2y

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

Combine like terms: -2y + 2y = 0
0 = -2y + 2y

Combine like terms: -2y + 2y = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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