y-(-20)=50

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Solution for y-(-20)=50 equation: 


Simplifying
y + -1(-20) = 50

Multiply -1 * -20
y + 20 = 50

Reorder the terms:
20 + y = 50

Solving
20 + y = 50

Solving for variable 'y'.

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

Add '-20' to each side of the equation.
20 + -20 + y = 50 + -20

Combine like terms: 20 + -20 = 0
0 + y = 50 + -20
y = 50 + -20

Combine like terms: 50 + -20 = 30
y = 30

Simplifying
y = 30

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