Question

a+b+c=23 b=ax2+3 c=bx2 a=? b=? c=?

Answer 1

$a+b+c=23 \\ \\ \boxed{b=2a+3} \\ \\ c=2b =>c=2*(2a+3)=>\boxed{c=4a+6 }\\ \\ a+2a+3+4a+6=23 \\ \\ 7a=23-9 \\ \\ 7a=14 \\ \\ \boxed{a=2} \\ \\ b=2*2+3 \\ \\ \boxed{b=7} \\ \\ c=4*2+6 \\ \\ \boxed{c=14}$