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18-08-2020
Mathematics

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If x = -1 then how much is 2x - 1

a) 1
b) -3
c) -2
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MrMonsieurSenorSir MrMonsieurSenorSir

18-08-2020

Answer: -3

Step-by-step explanation: 2x = -2 then you subtract 1 from that which is the same as adding negative one so -2 - 1 or -2 + -1 = -3

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