Question

When 30 is subtracted from thrice a number, we get 90. Find the number.
please give ans step by step explaination it's urgent I'll mark you brainlist.​

Answer 1

Answer:

40

Step-by-step explanation:

given in the photo

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Answer 2

Answer:

3x-30 =90

3x =90+30

3x =120

x =120÷3

x=40

therefore 3x =3(40)

3x=120