Tawiah is x years old now. a) How old was he 7 years ago? b) How old will he be in 15 years from now? c) If his age in 15 years time will be three times his age 7 years ago, how old is he now?​

mark other person brainliest

5050 i think

step-by-step explanation:

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.