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Dmitry [639]
2 years ago
5

8 and 3times a number is 128

Mathematics
2 answers:
mel-nik [20]2 years ago
5 0
You must first set up an equation for this problem.  Your equation is 8+3x=128.  If we subtract 8 from each side we get 3x=120.  If we then divide both sides by 3 we get x=40.  Therefore your number is 40 because 8+3*40=128.
tankabanditka [31]2 years ago
4 0

Answer:

its 40

Step-by-step explanation:

it took the test

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