-3(5)-4y=12

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Solution for -3(5)-4y=12 equation: 


Simplifying
-3(5) + -4y = 12

Multiply -3 * 5
-15 + -4y = 12

Solving
-15 + -4y = 12

Solving for variable 'y'.

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

Add '15' to each side of the equation.
-15 + 15 + -4y = 12 + 15

Combine like terms: -15 + 15 = 0
0 + -4y = 12 + 15
-4y = 12 + 15

Combine like terms: 12 + 15 = 27
-4y = 27

Divide each side by '-4'.
y = -6.75

Simplifying
y = -6.75

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