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MightySmurf
Group Title
Solve this system of equations using the addition method.
x+y=12
xy=4 @Mathematic Solve this system of equations using the addition method.
x+y=12
xy=4 @Mathematic @Mathematics
 3 years ago
 3 years ago
MightySmurf Group Title
Solve this system of equations using the addition method. x+y=12 xy=4 @Mathematic Solve this system of equations using the addition method. x+y=12 xy=4 @Mathematic @Mathematics
 3 years ago
 3 years ago

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Hero Group TitleBest ResponseYou've already chosen the best response.0
Add the two equations togther; y is eliminated. Solve for x: 2x = 16 x = 8 y=4
 3 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
o ok so like for x+y=3 and 2xy+0 i add x+2x which gives me 3x then i add yandy which gives me 0 and then 3 and 0 which is 3 so it would be 3x+0=3
 3 years ago

MightySmurf Group TitleBest ResponseYou've already chosen the best response.0
that looks wrong i did sumthin wrong
 3 years ago

Eigenvector Group TitleBest ResponseYou've already chosen the best response.0
what's x+x? what's y+(y)? what's 12+4? 2x+0=16 2x=16 divide by 2. x=8 plug the x back into one of the starting equations.
 3 years ago
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