12(3)+4y=-45

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Solution for 12(3)+4y=-45 equation: 


Simplifying
12(3) + 4y = -45

Multiply 12 * 3
36 + 4y = -45

Solving
36 + 4y = -45

Solving for variable 'y'.

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

Add '-36' to each side of the equation.
36 + -36 + 4y = -45 + -36

Combine like terms: 36 + -36 = 0
0 + 4y = -45 + -36
4y = -45 + -36

Combine like terms: -45 + -36 = -81
4y = -81

Divide each side by '4'.
y = -20.25

Simplifying
y = -20.25

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