Question 110583
FIRST YOU NEED TO COMBINE THE TERMS INSIDE THE () IF POSSIBLE.
HERE YOU CANNOT.
THEN YOU MULTIPLY THE TERMS IN THE () BY 3
3*7+3*-2Y=9
21-6Y=9 NOW YOU COMBINE ALL LIKE TERMS
-6Y=9-21
-6Y=-15 NOW DIVIDE BOTH SIDES BY 6
Y=-15/-6 NOW REDUCE BY DIVIDING BY 3
Y=5/2 OR -2.5 OR -2 1/2 ARE ALL VALID ANSWERS.