Question

Workout in substitution method 2a+4b=-24
a=20-2b. list as no solution or infinite let me know if I have the sets correct.

Answer 1

I have -14,1 and no solution

Answer 2

\(2a+4b=-24\)

\(a=20-2b\)

If we divide the first equation by 2 we have \
\(a+2b=-12\)
and the second equation is
\(a+2b=20\)

so there is no solution..

Answer 3

thanks