SOLUTION: I need help graphing the following equations: 2x+5y=12 4x+3y=2 3x-2y=10 If you could help me graph the first one, I am sure I could figure out the rest. Thank you, Emily

Question 544675: I need help graphing the following equations:
2x+5y=12
4x+3y=2
3x-2y=10
If you could help me graph the first one, I am sure I could figure out the rest.
Thank you,
Emily
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
In order plot a graph, we want the equation in the slope/intercept form, y = mx + b
:
2x + 5y = 12
5y = -2x + 12
divide both sides by 5
y = x +
this will work OK using decimals
y = -.4x + 2.4
:
Choose a couple values for x and find y:
x = -3
y = -.4(-3) + 2.4
y = +1.2 + 2.4
y = 3.6
:
x = +3
y = -.4(3) + 2.4
y = -1.2 + 2.4
y = + 1.2
:
x | y
--------
-3 | 3.6
+3 | 1.2
Should look like this

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