The computer cost $1250. If Gary made a down paymnet of $150, $1100 is left to be paid. The financial cost per month is $48.25. For two and a half years this amount must be multiplied by the number of months. In two and a half years there is:
30 months. Gary pays
$1447.5 for 30 months. The original amount was $1250. Cary pays a total of:
X-y=7 so you have to rewrite the equation in the form of mx+b=y so ... x-y=7 -x -x -y=7-x then simplify -y(-y)=-(7-x) multiply both sides by -1 y=-7+x which is the same y= x-7 y=x+-7