70=2y-20

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Solution for 70=2y-20 equation:


Simplifying
70 = 2y + -20

Reorder the terms:
70 = -20 + 2y

Solving
70 = -20 + 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.
70 + -2y = -20 + 2y + -2y

Combine like terms: 2y + -2y = 0
70 + -2y = -20 + 0
70 + -2y = -20

Add '-70' to each side of the equation.
70 + -70 + -2y = -20 + -70

Combine like terms: 70 + -70 = 0
0 + -2y = -20 + -70
-2y = -20 + -70

Combine like terms: -20 + -70 = -90
-2y = -90

Divide each side by '-2'.
y = 45

Simplifying
y = 45

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