Solve the system by substitution y=2x-6 y=-x

The solution to the system of equations will be:

(x, y) = (2, -2)

Step-by-step explanation:

Given the system of equations

y=2x-6

y=-x

Solving the system of equations

Substitute y = -x in y = 2x-6

y = 2x-6

-x = 2x-6

6 = 2x + x

3x = 6

divide both sides by 3

3x/3 = 6/3

x = 2

Now substitute x = 2 in y=-x

y=-x

y = -2

Therefore, the solution to the system of equations will be:

(x, y) = (2, -2)

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.