21-8y-3=17-2y

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Solution for 21-8y-3=17-2y equation:


Simplifying
21 + -8y + -3 = 17 + -2y

Reorder the terms:
21 + -3 + -8y = 17 + -2y

Combine like terms: 21 + -3 = 18
18 + -8y = 17 + -2y

Solving
18 + -8y = 17 + -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.
18 + -8y + 2y = 17 + -2y + 2y

Combine like terms: -8y + 2y = -6y
18 + -6y = 17 + -2y + 2y

Combine like terms: -2y + 2y = 0
18 + -6y = 17 + 0
18 + -6y = 17

Add '-18' to each side of the equation.
18 + -18 + -6y = 17 + -18

Combine like terms: 18 + -18 = 0
0 + -6y = 17 + -18
-6y = 17 + -18

Combine like terms: 17 + -18 = -1
-6y = -1

Divide each side by '-6'.
y = 0.1666666667

Simplifying
y = 0.1666666667

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