Answer:
x = 10
Step-by-step explanation:
We need to isolate X.
3x - 7 = x + 13
subtract 13
3x - 7 - 13 = x
combine like terms
3x - 20 = x
subtract 3x
- 20 = x - 3x
Combine like terms
- 20 = - 2x
Divide by -2
10 = x
220 Seconds
3 Minutes is 180 sec (3*60)
4/6 Minutes are 40 sec (multiply the time value by 60)
3x - 6 should be it
The answer is 0.36486
255
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