176k views
2 votes
Solve this system of equations using substitution (PLEASE ANSWER QUICK)

Solve this system of equations using substitution (PLEASE ANSWER QUICK)-example-1

1 Answer

7 votes

Answer:

(2,-4)

Explanation:

y = -9x + 14
-9x + y = -22
the first equation is set equal to y, so you can plug it in
-9x + (-9x + 14) = -22
-9x + -9x + 14 = -22
-18x + 14 = -22
-18x = -36
x = 2
now take one of the equations and plug x in
y = -9x + 14
y = -9(2) + 14
y = -18 + 14
y = -4

(2,-4)

User James Kleeh
by
5.4k points