3(-3)-7y=13

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Solution for 3(-3)-7y=13 equation: 


Simplifying
3(-3) + -7y = 13

Multiply 3 * -3
-9 + -7y = 13

Solving
-9 + -7y = 13

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + -7y = 13 + 9

Combine like terms: -9 + 9 = 0
0 + -7y = 13 + 9
-7y = 13 + 9

Combine like terms: 13 + 9 = 22
-7y = 22

Divide each side by '-7'.
y = -3.142857143

Simplifying
y = -3.142857143

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