-3*7-4y=12

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Solution for -3*7-4y=12 equation:


Simplifying
-3 * 7 + -4y = 12

Multiply -3 * 7
-21 + -4y = 12

Solving
-21 + -4y = 12

Solving for variable 'y'.

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

Add '21' to each side of the equation.
-21 + 21 + -4y = 12 + 21

Combine like terms: -21 + 21 = 0
0 + -4y = 12 + 21
-4y = 12 + 21

Combine like terms: 12 + 21 = 33
-4y = 33

Divide each side by '-4'.
y = -8.25

Simplifying
y = -8.25

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