5*-9+7*y=-3

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Solution for 5*-9+7*y=-3 equation: 


Simplifying
5 * -9 + 7y = -3

Multiply 5 * -9
-45 + 7y = -3

Solving
-45 + 7y = -3

Solving for variable 'y'.

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

Add '45' to each side of the equation.
-45 + 45 + 7y = -3 + 45

Combine like terms: -45 + 45 = 0
0 + 7y = -3 + 45
7y = -3 + 45

Combine like terms: -3 + 45 = 42
7y = 42

Divide each side by '7'.
y = 6

Simplifying
y = 6

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