Answer:
b=9
Step-by-step explanation:
move the 4b over to the other side by adding it to both sides
The top teams speed for each leg is 56.81, 59.22, 57.39 and 60.11. whats the best time
1 answer:
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For this case we have the following system of equations:
We solve by the substitution method:
We substitute the first equation in the second equation:
We apply distributive property considering that
We subtract 69 from both sides of the equation:
We divide by 8 on both sides of the equation:
We look for the value of the variable y:
Thus, the solution of the system is
Answer: