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3 votes
How to solve this using substitution
-7x+5y=-5
X-3y=-13

1 Answer

4 votes
First, substitute the given value of into the equation
-7(-13+3y)+5y=-5
Next, Solve the equation for y
Y=6
Then, substitute the given value of into the equation
X=-13+3x6
Lastly, Solve the equation for x
X=5
Therefore the answer is (x,y) = (5,6)
Hope this helps!
User Bud Damyanov
by
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