Answer:
All you have to do is just add the numbers inside the parenthesis. (4+-2) is the same as 4-2 which is equal to 2. (4+-6) is the same as 4-6 which is equal to -2.
Step-by-step explanation:
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So find out Y first with the equation 2y+6=8y-102 which is y=18
Then plug in y for 8y-102 which is 42
Finally make the equation 3x+42=180 to find x which is 46
Answer;
7.77
Step-by-step explanation:
Each person would run .75 miles.
This is because..
If there are 4 people and 3 miles have to be divided amongst them equally then you would divide the miles (3) by the people (4) which would give you .75. To check your answer revers the problem and do .75 by 4 people to get 3.
