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Nikitich [7]
2 years ago
10

What is 3x-12=-15? I need to know

Mathematics
1 answer:
cupoosta [38]2 years ago
7 0
3x - 12 = -15

Add 12 on both sides.

-12 + 12 = 0

-15 + 12 = -3

The equation is now 3x = -3.

Divide both sides by 3 to isolate the variable.

3x / 3 = x
-3 / 3 = -1

So, x = -1.
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Answer:

This really isn't a question. I can help you out with writing one.

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Step-by-step explanation:

To answer my question, you would set up a proportion.

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Answer:

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Step-by-step explanation:

An example would be x+4 = 8

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

Step 1

Formulae

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Step 2

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Friday           $67

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