It shouldn’t be any longer vertically so that should be your answer
x-3y=7 2x-6y=12
You can multiply -2 in the first equation like this.
x+6y=7
2x-6y=12
Now you can eliminate 6y and -6y so cross them out and do x-2 which is -1 and 7-12 which is -5 -1/-5 would be .2
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Answer:
40 degrees
Step-by-step explanation:
I don't know why you'd need to estimate that, it is just 12,
if that's not satisfactory post the answer choices.