Question 390162
-2(a-3)=6
-2a+6=6
add -6 to both sides
-2a+6-6=6-6
-2a=0
a=0


please solve and show work.
5-3(2b-3)=-4
5-6b+9=-4
-6b+14=-4
add -14 to both side
-6b+14-14=-4-14
-6b=-18
/-6
-6b/-6=-18/-6
b=3

please write a formula.
find three consecutive numbers whose sum is 72.
let the numbers be x, x+1,x+2
...
x+x+1+x+2=72
3x+3=72
add -3 to both sides
3x=72-3
3x=69
/3
x=69/3
x=23
23,24,25
...
m.ananth@hotmail.ca
thanks for your help.