PLEASE ANSWER IM GIVING OUT MOST OF MY POINTS AND ILL GIVE BRAINLIEST TO THE ONE THAT MAKES THE MOST SENSE AND IS well JUST THE
BEST!!! (35 points please don't just answer something crazy I only have 41 and I'm giving out 35 I mean that's a lot in my book so please help oh and merry x-mas!)
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Answer:
Step-by-step explanation:
To properly apply the substitution method, it will be better for us to rearrange the system of equations to have similar variables on the same side
We can simply evaluate equation 1 to have
y = -20
From the first equation alone, we can evaluate the value of y as -20. This is because only one unknown is present in equation one, hence a single equation is sufficient enough to evaluate it. If to unknowns were present, the two equations would have been utilized to evaluate the solution.