SOLUTION: Solve the following systems of equations using the substitution method. What type of system is it? Name the solution if there is one. . y=-2x 4x-3y=12

Algebra ->  Graphs -> SOLUTION: Solve the following systems of equations using the substitution method. What type of system is it? Name the solution if there is one. . y=-2x 4x-3y=12       Log On


   

Question 905991: Solve the following systems of equations using the substitution method.
What type of system is it? Name the solution if there is one.
. y=-2x
4x-3y=12
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
4x-3(-2x)=12
4x+6x=12
10x=12
x=1.2
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4*1.2-3y=12
4.8-3y=12
-3y=12-4.8
-3y=7.2
y=7.2/-3
y=-2.4
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(1.2,-2.4)
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y=-2x
-2.4=-2*1.2
-2.4=-2.4