Question

01) Resolva as equaçoes
a) 3x-2=10
b) 5+x=16
c) 4x-20=2+3x
d) x/2=5
e) x-3=7
f) 2x+6=11+x

Answer 1

A)
3x-2=10
=3x=10+2
x= 10+2-3
x=9
B)
5+x=16
x=16-5
x=11
E)
x-3=7
x=3+7
porque
10-3=7
F)
2x+6=11+x
=2x-x= 11-6
=1x=5
x=5-1
x=4