nahh mann it was definetly 12 shudda jus subbed it inoi carrot man when x increases by two wouldnt 6x go to 8x therefore let x=4 A= 6 * 4 + 10 = 34 A= 8 * 4 + 10 = 42 so the difference is 8 therefore 2x =8 answer 2x ? can do it with another example , am i right of read querstion wrong?