4) Select the best method to solve the system. y=x+3
2y=2x+4

*elimination
*substitution

Elimination

Step-by-step explanation:

I believe this is the right one since you can multiply the first equation to cancel them out :)

substitution

Step-by-step explanation:

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

answer   download the app called socratic on your phoner:

step-by-step explanation: