Question

Resolva as equações
a) 12x-4=10x+3

b) 5x-2=-3x+7+6

c) 9-x+2=-5x+3+2x

d)-x-2x-4=11

Answer 1

a)12×-10×=3+4
2×=7
×=7
2

b)5×+3×=7+6+2
8×=15
×=15
8

c)×+5×-2×=3+9
4×=12
×=12
4 resposta=3

d)-×-2×=11+4
-3×=15
×=15
-3
Espero ter ajudado