Question

Solve the system of equations.
y = 2x + 4
y = x2 + x - 2

Answer 1

x=6 y=16

Explanation:

I will use elimination

y=2x+4

y=2x+x-2

*3 y=2x+4 3y=6x+12

*2 y=3x-2 2y=6x-4

3y=6x+12

- 2y=6x. -4

y=16

16=2x+ 4

-4 -4

12= 2x

/2 /2

6=x