SOLUTION: 2x+y=-4 x+y=7 Find the first variable and isolate it. then solve for that variable Solve for the second variable find the numerical value of the first variable Check

Algebra ->  Expressions-with-variables -> SOLUTION: 2x+y=-4 x+y=7 Find the first variable and isolate it. then solve for that variable Solve for the second variable find the numerical value of the first variable Check       Log On


   



Question 1189982: 2x+y=-4
x+y=7
Find the first variable and isolate it. then solve for that variable
Solve for the second variable
find the numerical value of the first variable
Check your solution

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2x+y=-4
x+ y=7
----------------- Subtract
x = -11
y = 18