3*12+4y=18

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Solution for 3*12+4y=18 equation: 


Simplifying
3 * 12 + 4y = 18

Multiply 3 * 12
36 + 4y = 18

Solving
36 + 4y = 18

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 = 18 + -36

Combine like terms: 36 + -36 = 0
0 + 4y = 18 + -36
4y = 18 + -36

Combine like terms: 18 + -36 = -18
4y = -18

Divide each side by '4'.
y = -4.5

Simplifying
y = -4.5

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