The answer is D. If you plug in (-2,8) into both equations you’ll get the same outcome. Which is 6 , -10.
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The answer is C. plug 3 and 4 into the equation and see if it's true.
So for eliminating, you only solve for one variable first.
I solved for y, so I multiplied by -4 to eliminate the x.
Then I got y= -1
I then substituted that to one of the equations to get x.
Answer:
179.168
Step-by-step explanation: