Respuesta :
Answer:
1.3x-34=136
3x=136+34
3x=170
divide both side by 3
3x/3=170/3
x=56.7 answer
2.3x-34+34=136+34
3x+0=136+34
3x+0=170
3x=170-0
3x=170
divide both side by 3
3x/3=170/3
x=56.7 answer
3.3x=2612+912
3x=3524
divide both side by 3
3x/3=3524/3
x=1174.7 answer
4.3x=3512
divide both side by 3
3x/3=3512/3
x=1170.7 answer
5.(31)31x=3512(31)
31*31x=3512*31
961x=108872
divide both side by 961
961x/961=108872/961
x=113.2903 answer
6.x=10512
the question is still the answer.
Answer:
D) In step 5, he should have multiplied both sides by 1/3
Step-by-step explanation: