Question

a) 4+x=9-4x
b)5x-3+x=4x+7
c)2.(x-8=10-3.(x+2)

Answer 1

Resposta:

Explicação passo-a-passo:

a)

4+x=9-4x

x+4x=9-4

5x=5

x=5/5

x=1

Resposta:  1

b)

5x-3+x=4x+7

5x+x-4x=7+3

2x=10

x=10/2

x=5

Resposta:  5

c)

2(x-8)=10-3(x+2)

2x-16=10-3x-6

2x+3x=10-6+16

5x=20

x=20/5

x=4

Resposta:  4

Answer 2

Resposta:

a)x=1

b)x=5

c)x=4

Explicação passo-a-passo:

a) 4+x=9-4x

x+4x=9-4

5x=5

x=5/5

x=1

b) 5x-3+x=4x+7

5x+x-3=4x+7

6x-3=4x+7

6x-4x=7+3

2x=10

x=10/2

x=5

c) 2.(x-8)=10-3.(x+2)

2x-16=10-3x-6

2x-16=10-6-3x

2x-16=4-3x

2x+3x=4+16

5x=20

x=20/5

x=4