[tex]Hi \ Jaaliyah \\ \\ I'll \ give \ you \ one \ example \ of \ an \ equation \ by \ substitution \\ \\ Let \ x=3 \\ \\ 4 x^{2} -3x+2=7x+(4)(2) \\ \\ 4 x^{2}-3x+2=7x+8 \\ \\ 4(3^{2})-3(3)+2=7(3)+8 \\ \\ 4(9)-9+2=21+8 \\ \\ 36-7=29 \\ \\ \boxed{ 29=29}[/tex]
Hope it Help:)
----Domini----
