Question

RESOLVA AS EQUAÇÕES ABAIXO:
A) 2 X -5 = X +1
B) 5 X +7 = 4 X +10
C) 4 X -10 = 2 X +2

Answer 1

a) 2x -5 = x +1
2x -x = 1 +5
x=6
 
b) 5x +7 = 4x +10
5x-4x = 10 -7
x=3

c) 4x -10 = 2x +2
4x -2x = 2 + 10
2x=12
x=12/2
x = 6