Question

resolva as equações a seguir por transitivas
a) 5x+23=98
b)8x-50=102
c)12x-51=309
d)64+4x=148

Answer 1

a) 5x=98-23
5x=75
x=75/5
x=15

b)8x=102+50
8x=152
x= 152/8
x= 19

c)12x= 309+51
12x= 360
x= 360/12
x= 30

d)4x= 148-64
4x=84
x=84/4
x=21