Step-by-step explanation:
3x+y=9…... eqn 1
y=9-3x
y=2x+4.... eqn 2
substituting value of y from eqn 1 in eqn 2
again substituting value of x in eqn 2
hope it helps.
stay safe healthy and happy.
[tex] \huge\mathrm{Answer࿐}[/tex]
The given equations are :
Plug the value of y from equation [2] into equation [1]
Now, plug value of x in equation [2]
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