Question

resolva as equação : A)2x+11=x B)3x+1=2x C)1+2x=3-5x D)5x-1=2-x

Answer 1

a) 2x+11=x
2x-x=-11
x= -11

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

c) 1+2x=3-5x
5x+2x=3-1
7x=2
x≈0,28

d) 5x-1=2-x
5x+x=2+1
6x=3
x=0,5