Susi and Thuy are each opening a savings account. Susi opens her account with $50 and adds $5 a week. Thuy opens her account with $15 and adds $12 a week. Write an equation that can be used to find the number of weeks it will take for Susi and Thuy to have the same amount in their accounts

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.