Question

Resolva as equções A- 3x+2=7 2B- 7x+5=27 2C-3x+2x+1=6D-1x+5x=6

Answer 1

A-
3x + 2 = 7
3x = 7 - 2
3x = 5
x = 5/3

B-
7x + 5 = 27
7x = 27 - 5
7x = 22
x = 22/7

C-
3x + 2x + 1 = 6
5x = 6 - 1
5x = 5
x = 5/5
x = 1

D-
1x + 5x = 6
6x = 6
x = 6/6
x = 1