Question

Ajudem me!

a) x+9=18
b) x-1= -8
c) 3g-8=13
d) 12x-10=5x+11
e) 2.(x+3)=18

Answer 1

x=18-9
x=9







x=-8+1
x=-7





3g=21
g=7







12x-5x=11+10
7x=21
x=3









2x+6=18
2x=12
x=6