Solve for x: |2x + 6| − 4 = 20
Have you considered adding 4 and dividing by 2?
Adding 4 to 20?
yes
add 4 to 20 then divide 24 by 2
\[|2x+6|=24\] undue the absolute value term. To undue it you should follow this rule \[|x|=\pm x \] That means with your equation, you should use the plus or minus to the right side of the equation so u can undue the absolute value from the left side of the equation \[2x+6=\pm 24 \] Since 24 is plus or minus, then the equation will have two solutions when solving for x.
solve for x 2x+6=24 then solve for x when 24 is negative 2x+6=-(24)
I got 2x=30 and 2x=-18
2x+6=24 subtract -6 to both sides u get 2x=18
?
2x=30 is wrong too
2x+6=-(24) u subtract -6 to both sides 2x=-(24)-6 what's -24-6?
-30
yes
for 2x+6=24 when u subtract -6 to both sides what will u get 2x+6(-6)=24-6 6-6 is zero so it cancels out 2x=24-6
24-6?
So i would be 2x=-30 and 2x=18?
yep
So it would be x=-15 and x=-9
now to isolate x for the multiplication of 2, divide 2 to both side 2x=-30 2/2x=-30/2 and 2x=18 2/2x=18/2
so 18/2=-9??
Ohh ok i see now it would be x=-15 and x=9
yes
ok thank you :3
yw
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