Question

Find two numbers whose sum is 92, if the first is 4 more than 7 times the second

Answer 1

Let x = smaller number
Let y = bigger number

y = 7x + 4

x + y = 92
x + (7x + 4) = 92
8x + 4 = 92
8x = 88
x = 11
y = 7x + 4
y = 81