Which equation is an identity? 7m – 5 = 8m + 7 – m 3w + 8 – w = 4w – 2(w – 4) 9 – (2v + 3) = –2v – 6 –3y + 3 = –3y – 6 explain your answer.

The correct option is 2.

Step-by-step explanation:

The equations that are true for any value of the variable, no matter what value is plugged in for the variable, then they are called Identity equations.

The first equation is

Subtract 7m from both the sides.

This statement is false for any value of m. Therefore this is not an Identity equation.

The second equation is

Using distributive property,

This statement is true for any value of w. Therefore this is an Identity equation.

The third equation is

This statement is false for any value of v. Therefore this is not an Identity equation.

The fourth equation is

Add 3y on both the sides.

This statement is false for any value of y. Therefore this is not an Identity equation.

Hence the correct option is 2.

answer: 80,000

step-by-step explanation:

the population doubles every day.

10,000*2=20,000 day 4

20,000*2=40,000 day 5

40,000*2=80,000 day 6

48 / 6 = x

in this case, x will equal the amount of money in each card!

x therefore will be 8.

trent had $8 in each birthday card.