SOLUTION: Solve by elimination method. x + 2y = 19 -x + 7y = 53?
Solution is an ordered pair, an integer or fraction for any numbers in the expression.
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Question 249249: Solve by elimination method. x + 2y = 19 -x + 7y = 53?
Solution is an ordered pair, an integer or fraction for any numbers in the expression.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
x + 2y = 19
-x + 7y = 53
---------------Addition eliminates x find y
0 + 9y = 72
y =
y = 8
:
Find x using the 1st equation
x + 2(8) = 19
x + 16 = 19
x = 19 - 16
x = 3
;
3,8 is the ordered pair
;
Check solutions in the 2nd equation
-3 + 7(8) =
-3 + 56 = 53
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