2x-2+x+5=90
3x+3=90
-3 -3
3x/3 =87/3
x=29
Add up all the sides which should equal 32
The first thing you do is subtract 2 from both sides to move the 2 to the left side
3-6x=7x
now add 6x to both sides to move -6x to the right
3=13x
divide by 13 to eliminate the 13 on the right side
3/13
Answer:
She will need 16 packages
