Equations with Variables on Both Sides - Page 43

Questions
  • What are the two numbers that are the sum 50 difference 10 ? thank you
  • What are the two numbers that are the sum 50 difference 10 ? thank you
  • X-y=10 y=x-10 I can not remember how to do these equations. Please help?
  • How do you solve this system of equations: #y= - 2x ^ { 2} + 28x - 75 ; 3= 2x - y#?
  • Xy-x^2= -20 x-2y=3 What is x and y?