2*-12+5y=21

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Solution for 2*-12+5y=21 equation: 


Simplifying
2 * -12 + 5y = 21

Multiply 2 * -12
-24 + 5y = 21

Solving
-24 + 5y = 21

Solving for variable 'y'.

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

Add '24' to each side of the equation.
-24 + 24 + 5y = 21 + 24

Combine like terms: -24 + 24 = 0
0 + 5y = 21 + 24
5y = 21 + 24

Combine like terms: 21 + 24 = 45
5y = 45

Divide each side by '5'.
y = 9

Simplifying
y = 9

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