Question

Resolva 1 grau

A)-3×+8=5×+16
B)×-4+5×=4×+8
C)25-3a+2=2a+17
D)14R+24=10R×2r+30
E)-×+3=-2+1
F)2a-3=a+5

Answer 1

Resposta:

A)x=-4

B)x=7/2

C)a=2

D)R=-1

E)x=4

F)a=8