Question

Resolva as equações abaixo:

(a)x+5=25



(b)2x+3=9



(c)3x+12=x+4



(d)2x+2=3-x

Answer 1

a)x+5=25
x= 25-5
x= 20

b)2x+3=9
2x=9-3
2x=6
x=6/2
x= 3

c)3x+12=x+4
3x-x=4-12
2x=-8
x= -8/2
x= -4

d)2x+2=3-x
2x+x=3-2
3x=1
x=1/3

Espero ter ajudado