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melisa1 [442]
3 years ago
15

Help please ASAP thx all of them

Mathematics
1 answer:
Radda [10]3 years ago
6 0
Hi, these equations are pretty easy actually, first thing you should know when working with variables is that you always want to leave the variable alone, let's take the third excersise for example, 12x + 2 = 146. Here you just do the opposite on the other side of the equation depending if the number is positive or negative. Since x is being multiplied by 12 you first get rid of the 2, since its positive you subtract it to 146. Now the answer should be 12x = 144. Now since you're multiplying 12 to x you just divide 12 from 144, 144/12 = 12
x = 12
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STALIN [3.7K]
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3 years ago
Alice's grandmothers age is a composite number between 70 and 80 and has a factor of 11 what is it
pshichka [43]

The factor of 11 is going to be 77 because you have to stay in between 70 to 80

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3 years ago
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yuradex [85]

Answer:

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Step-by-step explanation:

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3 years ago
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Sidana [21]

Answer:

the first one

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