3-7y=8+2y-1

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Solution for 3-7y=8+2y-1 equation:


Simplifying
3 + -7y = 8 + 2y + -1

Reorder the terms:
3 + -7y = 8 + -1 + 2y

Combine like terms: 8 + -1 = 7
3 + -7y = 7 + 2y

Solving
3 + -7y = 7 + 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.
3 + -7y + -2y = 7 + 2y + -2y

Combine like terms: -7y + -2y = -9y
3 + -9y = 7 + 2y + -2y

Combine like terms: 2y + -2y = 0
3 + -9y = 7 + 0
3 + -9y = 7

Add '-3' to each side of the equation.
3 + -3 + -9y = 7 + -3

Combine like terms: 3 + -3 = 0
0 + -9y = 7 + -3
-9y = 7 + -3

Combine like terms: 7 + -3 = 4
-9y = 4

Divide each side by '-9'.
y = -0.4444444444

Simplifying
y = -0.4444444444

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