idk122113
idk122113
25-10-2017
Mathematics
contestada
log(-2a+9)=log(7-4a)
please helpp!!
Respuesta :
austinbrown164
austinbrown164
25-10-2017
Verify each of the solutions by substituting them back into the original equation
log
(−2a+9)
=log
(7−4a)
log
(-2a+9)
=log
(7-4a)
and solving. In this case, all solutions were found to be valid.
a=−
1
Answer Link
Catya
Catya
25-10-2017
assuming it's the same base log on either side you can just set the inside equal.
-2a + 9 = 7 - 4a
-2a + 4a = 7 - 9
2a = -2
a = -1
Answer Link
VER TODAS LAS RESPUESTAS ( 12+ )
Otras preguntas
Maria mixes 1/4 cup of white sugar and 2/3 cup of brown sugar, to make a topping for some muffins. She uses 1/12 cup of the mix to top each muffin. How many muf
sara buys asweater at a department store.The sweater cost 30 dollars
Ben says 7 9/100 must be less than 7 2/10 because 9 hundredths is less than 2 tenths. Do you agree? Draw a number line to show how you know
Help please b and d is simplify each of the following expressions 2. A b c and d is expand and simplify
Jane pulled weeds in the garden 7 times. She was paid $5 each time she pulled weeds a for more than 1 hour. If Jane received $39, how many times did she pull we
What are two reasons this author used to explain why appeasement was the logical policy at that time?
25 POINTS!!! Which source is the most credible for researching patient treatment during the Spanish flu epidemic of 1919? A. A hospital's listing of patients fr
Birds spend a lot of time grooming. They preen. Small bugs can live on birds. Preening gets them off. It also removes dirt. Many birds also oil their feathers.
Witch two types of clouds indicate fair weather? A cirrus and cumulus. B cirrus and stratus. C cumulus and stratus. D cumulus and nimbostratus
In two to three sentences, summarize how America has changed as a result of the Immigration Act of 1965
