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Make a equation to solve this problem:
A number is 1/7 of another number. The difference of the numbers is 18. (assume that you are subtracting the smaller number from the larger number) Find the numbers.



Answer :

apologiabiology
x=1/7y
y-x=18
add x to both sides
y=18+x
subsitute
x=1/7(18+x)
multiply both sdies by 7
7x=18+x
subtract x form both sdies
6x=18
divide by 6
x=3

subsitute
y=18+3
y=21

x=3
y=21

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