Question

porfavor quero a conta

Answer 1

A) x + 31 =100
x = 100 - 31
x = 69

B) y-8= 96
y= 96+8
y= 104

C) x × 6= -12
x= -12/6
x= -2

D) 4x= x+72
4x-x= 72
3x=72
x= 72/3
x= 24

E)2x+ 1 = 9+x
2x - x = 9-1
x= 8

espero que ajude. bjo