Answer:
a x=3.45
Step-by-step explanation:
log (7-2x) = -1
Raise each side to the power of 10 to get rid of the base 10 log
10^log (7-2x) = 10^-1
7 -2x = 1/10
7 -2x = .1
Subtract 7 from each side
7-7-2x = .1 -7
-2x = -6.9
Divide by -2x
-2x/-2 = -6.9/-2
x = 3.45
