You could add them on a number line or count on your fingers.
Answer:
x = 2.6667 (rounded)
Step-by-step explanation:
Move the constant to the right side and change its sign.
3x = 7 + 1.
Add the numbers.
3x = 8.
Divide both sides by 3.
x = 8/3 = 2.6667 (Rounded to the nearest ten-thousandth).
Hope this helps.
0.3 divided by 1.8 is 0.16