Finite Math Examples

$3 (- 2) + y = 15$

Step 1

Multiply $3$ by $- 2$ .

$- 6 + y = 15$

Step 2

Move all terms not containing $y$ to the right side of the equation.

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Step 2.1

Add $6$ to both sides of the equation.

$y = 15 + 6$

Step 2.2

Add $15$ and $6$ .

$y = 21$