Question

resolva as equações 1)3×-2=4×+9 2)2×- 4= -6×+2 3)7×-8= -3×+2 4)-9×-2+3=3×+13 5)5×+7=4×+10 6)5×+4=3×-2×+4 7)10×-20=7×+7-3 8)4×-1=3×-3 9)9×-3= -2×-6 10)3×-2= -9×+10​

Answer 1

Resposta:

1) 3x-2=4

3x=4+2

x=6/3

x=3

2) 2x-4=-6x+2

2x+6x=2+4

8x=6

x=9/6 simplificada 3/2