Use the elimination method to solve the following system of equations.
2 answers:
Answer:
x= 7/2 y = 7/6
Step-by-step explanation:
4x - 12y = 0
x + 3y = 7
Multiply the second by( -4) to eliminate the X variable
4x - 12y = 0
-4x -12y= -28
ADD BOTH
-24y=-28
Divide both by -24
y= 28/24
y=7/6
Plug y into second equation
x + 3y = 7
x+ 3(7/6) = 7
x+21/6=7
x+7/2=7
x=7-(7/2)
x=( 14/2) - (7/2)
x= 7/2
For this case we have the following system of equations:

To solve, we follow the steps below:
We multiply the second equation by -4:

We add the equations:

Equal signs are added and the same sign is placed.

We look for the value of the variable "x":

Thus, the solution of the system is:

Answer:

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Step-by-step explanation:
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Answer:
x= -2 y=0
Step-by-step explanation:
Answer:
Step-by-step explanation:
The first four
Answer:
0.5
Step-by-step explanation:
4-(-3)
4+3=
7
Half of 7 is 3.5
4-3.5=0.5