A microbiologist investigates the outbreak of an unknown illness, which is thought to be caused by a new strain of bacteria. Doctors have determined the bacteria are located in the lungs. Initial work on treating the illness is dependent upon analysis of the bacteria. Which investigational method should the microbiologist use to start the process to analyze the bacteria? * 20 points

x = -6.5

explanation:

with this editor, you should be careful to put what you mean. 5/(2x - 7) = 3/(4x +14) is the way i will interpret it. cross multiply

5*(4x + 14) = 3*(2x - 7)       remove the brackets

20x + 70 = 6x - 21             add 21 to both sides

20x+ 70+21= 6x                 combine

20x + 91 = 6x                     subtract 20x

20x-20x+91=6x-20x           combine

91 = - 14x

x = - 91/14

x = - 6.5

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explanation: