-3*3-4=y

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Solution for -3*3-4=y equation:


Simplifying
-3 * 3 + -4 = y

Multiply -3 * 3
-9 + -4 = y

Combine like terms: -9 + -4 = -13
-13 = y

Solving
-13 = y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-13 + -1y = y + -1y

Combine like terms: y + -1y = 0
-13 + -1y = 0

Add '13' to each side of the equation.
-13 + 13 + -1y = 0 + 13

Combine like terms: -13 + 13 = 0
0 + -1y = 0 + 13
-1y = 0 + 13

Combine like terms: 0 + 13 = 13
-1y = 13

Divide each side by '-1'.
y = -13

Simplifying
y = -13

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