76=8x can u solve this pls

The system of equations graphed below has how many solutions? y = 2x + 2

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers