7y-5-2y=-20

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Solution for 7y-5-2y=-20 equation:


Simplifying
7y + -5 + -2y = -20

Reorder the terms:
-5 + 7y + -2y = -20

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

Solving
-5 + 5y = -20

Solving for variable 'y'.

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

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

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

Combine like terms: -20 + 5 = -15
5y = -15

Divide each side by '5'.
y = -3

Simplifying
y = -3

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