carlosburksJr carlosburksJr

04-03-2021
Mathematics

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How do you check your answer or plug it in after solving |2x + 1| = 9 ???

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ADVENTUROUSBOY ADVENTUROUSBOY

04-03-2021

x = 4

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Step-by-step explanation:

2x + 1 = 9

2x = 9 - 1

2x = 8

x = 8 ÷ 2

x = 4

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bakersammy064 bakersammy064

04-03-2021

Answer:

Step-by-step explanation:

To solve:

|2x+1|=9

|2x+1|=-9

2x=8

x=4

2x=-10

x=-5

2x+1=9

2(4)+1=9

9=9, so its true.

2x+1=-9

2(-5)+1=-9

-9=-9, so it’s true too

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