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labwork [276]
3 years ago
15

Hi can i pls get some help oh this question pls its 5x - 2 = -7

Mathematics
2 answers:
Anna [14]3 years ago
8 0

Answer:

x = -1

Step-by-step explanation:

The key thing to remember is that every operation you do on either side needs to be done on the other.

Let's start by getting rid of that -2  you can do that by adding 2 to both sides of the equals sign:

5x - 2 = -7

5x - 2 + 2 = -7 + 2

5x - 0 = -5

5x = -5

The next step is to get rid of that 5 on the left.  We can do that by dividing both sides by 5:

5x = -5

5x ÷ 5 = -5 ÷ 5

x = -1

And there you have it! x is equal to negative one.

defon3 years ago
4 0

Answer:

x= -1

Step-by-step explanation:

5x1 would be -5 then -5 - 2 would be -7

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