Question

Resolva as equações

A- 3×+4=2×+4+2=0

B- 9×-12=5+=8

C- 5×+6=4×

D- ×+3=0

Answer 1

A-) 3×+4=2×+4+2=0 3x - 2x = 4 - 4 + 2=0 X = 2  B-) 9×-12=5+=8 9x - 5x = 8 +12 4x= 20 X= 20/4 X= 5 C-) 5×+6=4× 5x - 4x = -6 X = -6    D-) ×+3=0 X = 0 - 3 X= -3