80+-2y=70

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Solution for 80+-2y=70 equation: 


Simplifying
80 + -2y = 70

Solving
80 + -2y = 70

Solving for variable 'y'.

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

Add '-80' to each side of the equation.
80 + -80 + -2y = 70 + -80

Combine like terms: 80 + -80 = 0
0 + -2y = 70 + -80
-2y = 70 + -80

Combine like terms: 70 + -80 = -10
-2y = -10

Divide each side by '-2'.
y = 5

Simplifying
y = 5

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