first, we can distribute the negative into the numbers in parentheses
9x-(4x-1)=2
9x-4x+1=2
now we can combine like terms and then isolate x
5x + 1 = 2
5x = 1
x = 1/5
hope this helps
Answer:
167.2 m/sec
Step-by-step explanation:
Convert 602 km/hr to m/sec, as follows:
602 km 1000 m
------------ * ----------------- = 602,000 m/hr
hr 1 km
Recall that 1 hr = 3600 sec. Convert 602,000 m/hr to m/sec:
602,000 m 1 hr
------------------ * ---------------- = 167.2 m/sec
1 hr 3600 sec
