2q + 21.
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-q-11=2q+4 you would subtract 4 from both sides 4 and -4 cancel out and -11-4= -15 then you get -q-15=2q then you would add Q(1) to both sides (-q and q cancel out) then u get -15=3q thn u divide 3 to both sides (3 and 3 become q) then u get q=-5
nine plus q is in words. 9 + q is in numbers.
6
if q+9=16 q=16-9 q= 7
3