Question

resolva as equações. a)x+×+8=54.
b)7×-2-5×=18
c)12×-10×-4=3
d)-×-2-4=11
e)8×=5×+4,5​

Answer 1

a)2x=54-8
2x=46
x=46/2
x= 23

b)2x= 18+2
2x=20
x=20/2
x=10

c) 2x= 3+4
2x=7
x= 7/2

d)-x= 11+2+4
-x= 17.(-1)
x= -17

e) 8x-5x= 4,5
3x= 4,5
x= 4,5/3
x= 1,5

Espero ter ajudadooo :)))