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Answer:
x = 10
y = 6
Step-by-step explanation:
Multiply second equation with -1 and then add it up with first equation
(-1)*(6x - 7y) = 18
-6x + 7y = -18
6x - 6y - 6x + 7y = 24 - 18 add like terms
y = 6 to find the value of x use this information
6x - 6y = 24 replace y with 6
6x - 6*6 = 24
6x - 36 = 24 add 36 to both sides
6x = 60 divide both sides by 6
x = 10
Answer:
12
Step-by-step explanation:
1st circle - 
3rd circle - 
2nd circle is proboably the same way.
Answer:
Earth weighs about 13,170,000,000,000,000,000,000,000 pounds
Step-by-step explanation: