SOLUTION: Prove that (4,3)is or is not a solution to the system. x+2y=10 3x+5y=3

Question 18120: Prove that (4,3)is or is not a solution to the system.
x+2y=10
3x+5y=3
Found 2 solutions by Earlsdon, tutor4u:
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
To prove this, you need only to substitute the x and y-values of the given point into both equations and see if they satisfy them both.
If both equations are satisfied by the coordinates of the given point ( 4, 3), then the given point is a solution to the system; if they aren't, then it isn't.

= 10 This one is ok.

= 27 This is not = 3, so the given point (4, 3) does not satisfy the system of equations.
Answer by tutor4u(2) (Show Source): You can put this solution on YOUR website!
x+2y=10
4+2(3)=10
10=10
these are the correct solution

3(4)+5(3)=3
12+20=3
32 does not equal 3 therefor 3 and 4 are not the solution for this equation

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