Question

resolva as equaçoes
a ) 3-(x+4)=14+2x

Answer 1

3-(x+4)=14+2x
-x-4-2x=14-3
-3x=11+4
x=15/-3
x=-5

Answer 2

3-(x+4)=14+2x

3-14=2x+(x+4)
-11=2x+x+4
-11-4=3x
x=-15/3
x=-5

testando para x= -5,

3-(-5+4)=14+(2*-5)
3-(-1)=14+(-10)
4=4