Question

resolva as equaçoes a) v-12=8 b) 3k-2=25 c) 3*+8-*=10 d)3a-12+a=12 galera me ajuda =(

Answer 1

a) v-12=8
v=8+12
v=20

b) 3k-2=25
3k=25+2
k=27/3
k=9

c) 3x+8-x=10
2x=10-8
x=2/2
x=1

d) 3a-12+a=12
4a=12+12
4a=24
a=24/4
a=6

Bons estudos..espero ter ajudado...(;