This equation simplified is:
Denise rode 3 kilometres .
Clark rode 5000 metres which is 5 kilometres .
So , Clark rode 2 kilometres more than Denise .
B=5 because
8-2b=-2
-8 -8
-----------
-2b=-10
-----------
-2 -2
b=5
5(-2)=-10
Answer:
f(x)=2x-10 ______(given)
f(x)=8 _______(given)
Therefore, according to the above problem
2x-10=8
2x=10+8
2x=18
x=18/2
<u>x=9</u>
<h3><u>9</u> is the right answer.</h3>