What is 3x-x+2 solve this for 10 points

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

Can some one explain how to slove specifically, what is the value of x? 0.9(x+1.4)-2.3+0.1x=1.6 enter the answer as a decimal in the box. x= ?

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.