Question

quantos é?
@) 0,5×-9=1,5
b)4×+3=-19
c)6-3×=-10-4×
d)2(3×-5)=14

Answer 1

A)0,5x-9=1,5
0,5x=1,5+9
0,5x=10,5
x= 
x=21

B)4x+3=-19
4x=-19-3
4x=-22
x=-22/4
x=-5,5

C)6-3x=-10-4x
-2x+4x=-10-6
x=-10-6
x=-16

D)6x-10=14
6x=14+10
x=24/6
x=4
Espero ter ajudado ;)