Question

−3x + 3y= −12
3x+7y=22

Answer 1

Answer:

y=2.5

x=6.5 correct answer

Answer 2

Answer: they both equal 2

x=2

y=2

step-by-step

3x4=12 which is the same as -3x4=-12

-3x + 3y= -12 = -3 x 2= -6 which is then 3 x 2= 6 = -6 + 6 = -12

3 x 2 = 6 which is the same as 7 x 2 = 14 = 6 + 14 = 22

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