SOLUTION: solve by Substitute method 2x+4y=-6 x-3y=7 I solved it but I somehow got no solution so please help!
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Question 741493
:
solve by Substitute method
2x+4y=-6
x-3y=7
I solved it but I somehow got no solution so please help!
Answer by
jim_thompson5910(35256)
(
Show Source
):
You can
put this solution on YOUR website!
Solve the second equation for x
x-3y=7
x=7+3y
Then plug this into the first equation
2x+4y=-6
2(7+3y)+4y=-6 ... replace x with 7+3y
Notice how this is now an equation with a single variable (y). Solve this for y. Then use this solution to find x. I'll let you finish up.