Question

me ajudem
obrigada !!!!!!!!

Answer 1

a)= x-2x=3
x=-3

b)b+b=3
b=3/2

c)3e=2+e
3e-e=2
e=1

d)5-x=3x
4x=5
x=5/4

e)2x=5+x
2x-x=5
x=5

f)5a-3a=2
2a=a
a=1

g)1a+2a=-3
3a=-3
a=-1

h)x-4x=-1
-3x=-1
x=1/3

i)x=2x+3x ????