5x+(-4)=7x-5 show step by step

Step-by-step explanation:

First you have to add 4 to both sides--5x-4+4=7x-5+4

Now you have 5x=7x-1

Next you subtract 7x from both sides--5x-7x=7x-1-7x

Next you simplyfiy -2x=-1

Now divide by -2 on each side--2x/2=-1/2

So your answer should be--x=1/2

4 times

Step-by-step explanation:

1 quart is equivalent to 32 fluid ounces.

If each eruption consumes 8 fluid ounces of vinegar. Assuming that the amount of vinegar required per eruption is constant, the number of times Tanvi can make her volcano erupt is:

Tanvi can make her volcano erupt 4 times  with 1 quart of vinegar.