-7(-1)-3y=-9

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Solution for -7(-1)-3y=-9 equation: 


Simplifying
-7(-1) + -3y = -9

Multiply -7 * -1
7 + -3y = -9

Solving
7 + -3y = -9

Solving for variable 'y'.

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

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

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

Combine like terms: -9 + -7 = -16
-3y = -16

Divide each side by '-3'.
y = 5.333333333

Simplifying
y = 5.333333333

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