$1500 = $25x + $50
What is the x in this question?

John bought 2 horses at rs 20000 each

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers