3(-4)+2y=9

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Solution for 3(-4)+2y=9 equation: 


Simplifying
3(-4) + 2y = 9

Multiply 3 * -4
-12 + 2y = 9

Solving
-12 + 2y = 9

Solving for variable 'y'.

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

Add '12' to each side of the equation.
-12 + 12 + 2y = 9 + 12

Combine like terms: -12 + 12 = 0
0 + 2y = 9 + 12
2y = 9 + 12

Combine like terms: 9 + 12 = 21
2y = 21

Divide each side by '2'.
y = 10.5

Simplifying
y = 10.5

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