a+b=45
2a=5b+6, 2a-5b=6
Multiply the top equation by -2.
-2a-2b=-90
2a-5b=6
Add the equations together.
-7b=-84
b=12
a=33
When two numbers are added together, the result is 45.Twice the greater number is six more than five times the lesser number. What are the numbers.
1 answer