3+9y-2y=-7

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Solution for 3+9y-2y=-7 equation: 


Simplifying
3 + 9y + -2y = -7

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

Solving
3 + 7y = -7

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 + 7y = -7 + -3

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

Combine like terms: -7 + -3 = -10
7y = -10

Divide each side by '7'.
y = -1.428571429

Simplifying
y = -1.428571429

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