7y-2=2y-20

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Solution for 7y-2=2y-20 equation:


Simplifying
7y + -2 = 2y + -20

Reorder the terms:
-2 + 7y = 2y + -20

Reorder the terms:
-2 + 7y = -20 + 2y

Solving
-2 + 7y = -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.
-2 + 7y + -2y = -20 + 2y + -2y

Combine like terms: 7y + -2y = 5y
-2 + 5y = -20 + 2y + -2y

Combine like terms: 2y + -2y = 0
-2 + 5y = -20 + 0
-2 + 5y = -20

Add '2' to each side of the equation.
-2 + 2 + 5y = -20 + 2

Combine like terms: -2 + 2 = 0
0 + 5y = -20 + 2
5y = -20 + 2

Combine like terms: -20 + 2 = -18
5y = -18

Divide each side by '5'.
y = -3.6

Simplifying
y = -3.6

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