Answer: x = -3/2
Step-by-step explanation:
Hi, to answer this question we have to solve the system of equations:
2x +y =-3
y=4x+6
Substituting y=4x+6 in the first equation:
2x + (4x+6) =-3
Solving for x:
2x +4x+6 =-3
2x+4x =-3-6
6x =-9
x =-9/6
x = -3/2
In conclusión, the value of x is -3/2.
Feel free to ask for more if needed or if you did not understand something.