Thursday

July 24, 2014

July 24, 2014

Posted by **Rose** on Thursday, December 14, 2006 at 4:36pm.

x-4y=-21

3x+y=2

I got (0,2)

Try plugging in x=0 and y=2 into your first equiation and uopu will that your answer must be wrong.

Do it this way:

x - 4y =-21

12x+ 4y =8

13 x = -13

x = -1

y = 2 - 3x = ?

x=0 and y=2 does not satisfy the first equation.

(0)-4(2)=0-8=-8 but that isn't equal to -21.

**Related Questions**

Algebra Multiple Choice - Hello, This is the last of questions I have for my ...

Substitution Method-Plz help - Use the Substitution method to solve the system ...

algebra - Requesting help. (I must reckon, that X is a variable, and y is y-...

algebra - i need help with these problems (either a solution or how to plug them...

Substitution Method - Use the Substitution method to solve the system of ...

substitution method - Solve by substitution method please help me solve this. I ...

subsitution method - Can some one show me how to use the Substitution method to ...

Algebra multiple choice! - I have a few questions I need help with! Please ...

Algebra - Solve the system of equations using substitution. x + 4y = -5 3x - 8y...

Algebra Multiple choice revised!! HELP - I have a few questions I need help with...