A5 ounce can of tuna cost $.90 a 12 ounce can of tuna cost $2.40 which is the better bye

0.9/5=0.18

2.4/12=0.2

so the first one is better

x= -3

step-by-step explanation:

step 1: simplify brackets

4 - x - 1 = 6

step 2: simpilfy

3 - x = 6

step 3: subtract 3 from both sides

-x = 6 - 3

step 4: simpilfy 6 - 3

-x = 3

step 5: multiply both sides by -1

x = -3