Question

Solve, using the substitution method.

x = 10

y = 2x – 6


(10, 14)


(10, 4)


(10, –4)


(10, –1)

Answer 1

10/14

Explanation:

substitute x in equation 2

y= 2(10) -6

y= 20 - 6

y= 14

substitute y in equation 2

14 = 2x - 6

-2x= -6-14

-2x= -20

divide both sides by -2

-20/-2

x= 10

y= 14, x= 10