SOLUTION: Can someone help me on this problem? Which of the ordered pairs: (-3,3), (9,0), (-3, -3), (-23, 8) are solutions for the equation x + 4y = 9? Thanks, Sher

Question 57226: Can someone help me on this problem?
Which of the ordered pairs:
(-3,3), (9,0), (-3, -3), (-23, 8)
are solutions for the equation x + 4y = 9?
Thanks,
Sher
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
Hi Sher,
:
Which of the ordered pairs:
(-3,3), (9,0), (-3, -3), (-23, 8)
are solutions for the equation x + 4y = 9?
:
Ordered pairs are in this order: (x,y)
For (-3,3)
(-3)+4(3)=9
-3+12=9
9=9 true
(-3,3) is a solution.
:
For (9,0)
(9)+4(0)=9
9+0=9
9=9 true
(9,0) is a solution
:
For (-3,-3)
(-3)+4(-3)=9
-3-12=9
-15=9 Not true
(-3,3) is NOT a solution.
:
For (-23,8)
(-23)+4(8)=9
-23+32=9
9=9 true
(-23,8) is a solution.
Happy Calculating,Sher!!!
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