Question

resolva as equações : A)5×-3+×=2×+9 B)×+2×+3-5×=4×-9 C)5×+6×-16=3×+2×-4 D)5×+4=3×-2×+4

Answer 1

A) x = 3
B) x = 2
C) x = 2
D) x = 0

Tem que isolar o x