7y-2y-3=17

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Solution for 7y-2y-3=17 equation: 


Simplifying
7y + -2y + -3 = 17

Reorder the terms:
-3 + 7y + -2y = 17

Combine like terms: 7y + -2y = 5y
-3 + 5y = 17

Solving
-3 + 5y = 17

Solving for variable 'y'.

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

Add '3' to each side of the equation.
-3 + 3 + 5y = 17 + 3

Combine like terms: -3 + 3 = 0
0 + 5y = 17 + 3
5y = 17 + 3

Combine like terms: 17 + 3 = 20
5y = 20

Divide each side by '5'.
y = 4

Simplifying
y = 4

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