Question

Me ajudemmmmm e pra hjjjhh

Answer 1

Resposta:

a)

4x-6=22

4x=22+6

4x=28

x=28/4

x=7

S={7}

b)

2x=9-x

2x+x=9

3x=9

x=9/3

x=3

S={3}

c)

8+4x=6x-4

4x-6x=-8-4

-2x=-12(-1)

2x=12

x=12/2

x=6

S={6}

d)

3x+1=x+9

3x-x=9-1

2x=8

x=8/2

x=4

S={4}

e)

4x-11=7-2x

4x+2x=7+11

6x=18

x=18/3

x=3

S={3}

f)

13x+1-10x=5+x

13x-10x-x=5-1

2x=4

x=4/2

x=2

S={2}

Espero ter ajudado