Find the slope givin the coordinates (3,4), (-2,3)

1/5

Step-by-step explanation:

To find slopes, the formula is (y2-y1)/(x2-x1)

What this means is that you subtract the y-value of one equation from tho other, and do the same with x-values. However, you have to subtract from the same equation each time.

In this situation, I would subtract (-2, 3) from (3, 4)

4-3=1

3-(-2)=5 due to negative negative making a positive.

So now we do 1 divided by 5 and get 1/5 (One-fifth)

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18