SOLUTION: please help me with this using simultaneous equation.the sum of two numbers is 35.if 5 is subtracted from the bigger and the smaller one doubled,the results would be equal.find the

Algebra ->  Expressions-with-variables -> SOLUTION: please help me with this using simultaneous equation.the sum of two numbers is 35.if 5 is subtracted from the bigger and the smaller one doubled,the results would be equal.find the      Log On


   



Question 190497: please help me with this using simultaneous equation.the sum of two numbers is 35.if 5 is subtracted from the bigger and the smaller one doubled,the results would be equal.find the numbers.
Answer by dukesmart(20) About Me  (Show Source):
You can put this solution on YOUR website!

let x is big number
y is the small number
x+ y = 35 ............................... (1)
x-5 = 2y ========> x - 2y = 5 ............ (2)
(1) - (2) =======> 3y = 30 =======> y = 10
then x = 35 - 10
x = 25