Question

What is the solution to the system of equations?

Use the substitution method.

{y=−3x+1
2x+5y=18

Enter your answer in the boxes.

Answer 1

2x+5(-3x+1)=18
2x+-15x+5=18
-13x+5=18
-13x=13
X=-1

Answer 2

( -1 , -2 )

Explanation:

2x + 5y = 18

2x + 5( -3x + 1 )= 18

2x + -15x + 5 = 18

-13x + 5 = 18

-13x = 13

x= -1

y= 3( -1 ) + 1

y= -3 + 1

y = -2