Answer:
87/8
Step-by-step explanation:
2/3x-7=1/4
2x/3-7=1/4
2x/3=1/4+7
2x/3=29/4
2x= 29/4×3
2x=29×3/4
2x=87/4
x=87/4/2
x=87/4×2
x=87/8
(5,-2)
6+4=10
10/2=5
-6+2=-4
-4/2=-2
-|x|
|x| x -y - 1
