Answer:
the answer of the question is b. 8.2 mm
2x - 4y = 10
7x - 9y = 12
_________
9x - 5y = 2
Answer:
hi
Step-by-step explanation:
Hello from MrBillDoesMath!
Answer: x = 1
Discussion
:
Per the author, the equation to solve is 12 = 5x + 7
Isolate the "x" variable by subtracting 7 from both sides of the equation:
12 = 5x + 7
-7 = -7
---------------------
12-7 = 5x + 0
or
5 = 5x
Dividing both sides by 5 gives x - 1
Regards, MrB
Answer:
1017.8
Step-by-step explanation:
the area of the circle is A = pi r^2