Answer :

We add 12 to both sides
9x=13+14x+12
Simplify it we get
9x=4x+25
Subtract 4x from both sides
9x-4x=25
We simplify it and we get
5x=25
Divide both sides by 5
X=25/5
And we get x=5 as the answer
IDKWHAT2DO13

Responder:

x=5

Explicada:

9x-12=13+4x

Suma 12 a ambos lados

9x-12+12=13+4x+12

simplificar

9x=4x+25

restar 4x de ambos lados

9x-4x=4x+25-4x

Simplifica de nuevo

5x=25

dividir ambos lados entre 5

5x/5=25/5

Simplifica de nuevo

x=5

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