HOW DO i SIMPLIFY -6=9+4X
-6=9+4x-9 -9-15=4x /4 /4-15/4=x
try to isolate the variable-6=9+4xsubtract 9 from btoh sdies-9-6=9-9+4x-15=4xdivide both sdies by 4-15/4=x