The equation is 5+6*x=2-8*x...
and the answer is:
17
How I got this is you have to combine like terms...
you get:11*x=-6*x
17*x=x
than divide by x...
which than gives you 17...
1) Nearest thousand: 457,000 (Look at the thousandths place. Is the number closer to 457,000 or 456,000?)
Hundred: 457,000 (Look at the hundredths place. Is the number closer to 456,000 or 457,000?)
Ten: 456,990 (Look at the tenths place. Is the number closer to 456,980 or 456,990?)
2) The value of the expression when x=6 is 27. Explanation:
6x-7
6(6)-7
36-7
27
The value of the expression when x=3 is 11
Explanation:
6x-7
6(3)-7
18-7
11
Answer:
x is a variable its value can be changed
Set your equations up algebraically.
At 11mph: 43 minutes to burn 300 calories
At 15mph: 28 minutes to burn 300 calories