Question

a)2×+14=5x-1 b)3(x+2)+5=x+12 c)4x-5=6x+11​

Answer 1

Explicação passo-a-passo:

a)

2×+14=5x-1

2x-5x=-1-14

-3x=-15

x=-15/-3

x=5

b)

3(x+2)+5=x+12

3x+6+5=x+12

3x+11=x+12

3x-x=12-11

2x=1

x=1/2

c)

4x-5=6x+11

4x-6x=11+5

-2x=16

x=16/-2

x=-8

Espero ter ajudado!

Answer 2

Resposta:

a) 2x+14=5x-1

2x-5x=-14-1

-3x=-15

x= -15/-3

x= 5

S={5}

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b) 3(x+2)+5=x+12

3x+6+5=x+12

3x-x= 12-6-5

2x=12-11

x=1/2

S={1/2}

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c) 4x-5= 6x+11

4x-6x= 11+5

-2x=16

x=-16/2

x=-8

S={-8}

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