2y+x=-15
x=3y
2y+(3x)=-15
2y + (3*3y) = -15
11y=-15
y = -15/11

4x+7y=19
y=x+9
4x+7(x+9)=19
4x + 7x + 63 = 19
11x = -44
x = -4

y=6x+11
2y-4x+14
2(6x+11)-4x+14

2x-8y=6
y=-7-x
2x-8(-7-x)=6

x=2y-1
3x-2y=-3
3(2y-1)-2y=-3

what do x and y equal in each of these

There are 4 cups in a quart and 4 quarts in a ganon.jug of water? . how many cups are in a 5-gallon jug of water?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

Aretha wanted to gather data about the cost of local bowling leagues in her area. she plotted the data and determined that the average bowling league costs consist of a one-time registration fee and a monthly fee modeled by the equation y = 15x + 20. identify and interpret the y-intercept in this model. the y-intercept is 20. this is the cost per month. the y-intercept is 20. this is the cost of registration. the y-intercept is 15. this is the cost of registration. the y-intercept is 15. this is the cost per month.