You need to add what the lines are if you want them to be analysed for you^^
2 would be the answer. Replace the x with the three and multiply that with the 2 and then subtract 4.
Answer:

Step-by-step explanation:
The equations given are:


For the equations to generate the same independent value, then

This implies that:

Group similar terms to get:

Simplify to get:


Answer:
Below.
Step-by-step explanation:
3x=400
x=400/3 or 133.33
2x= 266.66
Therefore, the tanks must have sizes, 133.33 and 266.66 gallons!
The answer is 4 and 9 hope this helps :)