the smaller of two numbers is 18 less than the larger number. If 5 timnes the larger number esxceeds four times the smaller by 100. Find the numbers.

3 answers

s = L -18

5L - 4s = 100

Substitute L-18 for s in the second equation and solve for L. Insert that value into the first equation to solve for s. Check by putting both values into the second equation.
10,28
s = 114
L = 172