Question

exercícios de equações

a)x-17=-9
b)2x=-7
c)3x+2=2x-11
d)2x=16
e)x/2=-5
f)2x+14=5x-1
me ajudem pfv

Answer 1

a) x-17=-9
x=+17-9
×=8

b)2x=-7
×=-7/2

c)3x+2=2x-11
3x-2x= -2-11
x=-13


d)2x=16
x=16/2
x=8

f)2x+14=5x-1
2x-5x=-14-1
-3x=-15
3x=15
x=15/3
x=5


nao entende a "E"