Substitute y with 3
7x + 2(3) = 48
7x + 6= 48
Minus 6 over
7x = 42
X= 6
Hope this helps!
Answer:
I can't see the sign between 2 and (1/3)^3 in the last question, it's a bit blurry. You should send it again.
Step-by-step explanation:
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