If #4a+b=12#, then what is #a#?
1 Answer
Dec 20, 2015
Explanation:
Subtract
#4a+b# #color(red)(-b)=12# #color(red)(-b)#
#4a=12-b#
Divide
#4acolor(red)(-:4)=(12-b)color(red)(-:4)#
#a=(12-b)/4# or#3-b/4#