What is the value of x enter your answer in the box . Please help

100 points, hi, i’m not sure how to get the equation from the graph and table.

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50