Question

A) 2x <7x+10

B)1x+3=1x+1
4 4 2 2

C)1x-8=-2x-10
3 3


D)2x=-1
5

E)8x=64

F)x>-1
3

G)2x<1
3

Answer 1

a) 2x<7x+10
2x - 7x<+10
5x < +10
x < 10/5
x < 2

b)x + 3 = x +1
x-x=1-3
x= -2

e assim sucessivamente