Solving System of Eqns Graphically: y - 2x = 2, 3y + x = 20

T

Thinker

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Mar 15, 2007
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6
Can someone help me with this, tried to do it but i couldn't crack it.

Here is the question:

1) Solve graphically the two equations on the same axis:

. . .y - 2x = 2
. . .3y + x = 20

2) Prove your results by solving the simultaneous equations.
 
You have two lines.
Graph each of them on the same axis.
See where the lines intersect. That point is the solution.
 
Thinker said:
I tried it but i can't do it mate.
Click to expand...
If you cannot graph linear equations (something which should have been covered at length in class before reaching this topic), then, since we cannot teach courses nor draw pictures here, you will need to go back and review the missing background material.

. . . . .Google results for "graphing linear equations"

Once you have learned how to graph the lines, you might also want to study how to solve systems of linear equations:

. . . . .Google results for "solving system linear equations"

After you have studied some lessons and have learned the basic terms and techniques, please attempt this exercise. If you get stuck, you should now be sufficiently informed on the subject as to be able to reply showing your work and asking specific questions.

Thank you.

Eliz.
 
Thinker said:
Can i ask another question?
Click to expand...
Certainly! But new questions should be posted to new threads, for clarity's sake.

Thank you.

Eliz.
 
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