natajaeecarr
05.07.2019 •
Mathematics
The solution set of the equation 3/2 x -7 =1/4x +8 is
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Ответ:
x=12
Step-by-step explanation:
3/2 x -7 =1/4x +8
=>3x-14=x/2 +16 [Multiplied by 2 both side]
=>3x-x/2=16+14
=>(6x-x)/2=30 [Multiplied by 2 both side]
=>5x=60
=>x=12
pls mark as brainliest
Ответ:
Runner Speed = 200/21.3 = 9.4 m/s
Swimmer Speed = 1.8 m/s
9.4 - 1.8 = 7.6 m/s
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