Jill was shopping for christmas and bought items costing $13.45 $10.99 $6.59 $12.98 she used a coupon worth $2.50 she then remembered she had another coupon in her purse for $10.00 off so she used it also if jill had $50.00 when she went into the store how much did she have left

so what is the question

step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.