3 years ago

Use _________ to isolate the variable. A reciprocals B subtraction C an expression D inverse operations

Mathematics

1 answer:

photoshop1234 [79]3 years ago

8 0

<h3>Answer: D) inverse operations</h3>

For example, let's say we had the equation x+10 = 30

We are adding 10 onto some unknown number x to get 30. To find x, we undo what is happening to x, so we subtract 10 from both sides. Subtraction is the inverse operation of addition.

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Step-by-step explanation:

break it down so it is 4(a+5)

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then when you have 4a + 20 -2a + 10

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so the answer comes to 2a + 30

if anything doesnt seem right just comment and i will correct

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