teabag14
teabag14 teabag14
  • 23-11-2020
  • Mathematics
contestada

If x= -1, what is the value of the expression 5 - 2x? can someone please help me with this ?​

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eesha399
eesha399 eesha399
  • 23-11-2020

Answer:

The answer is 7.

Step-by-step explanation:

You just have to substitute the -1 into the equation.

5 - 2(-1) = 5 + 2 = 7   ...... the -2 turns into a plus because a negative times a negative always equals a positive.

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alyssa655 alyssa655
  • 23-11-2020
5-2(-1)=7 multiply the -1 with the -2 you would get positive 2
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