Resposta :
a)x-1/3=32
3x-1/3=32
3x-1=96
3x=95
x=95/3= 31,66
b) x- 1/5 = 36
5x-1/5=36
5x-1=180
5x=179
x=179/5 = 35,8
3x-1/3=32
3x-1=96
3x=95
x=95/3= 31,66
b) x- 1/5 = 36
5x-1/5=36
5x-1=180
5x=179
x=179/5 = 35,8