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3 years ago

Solve following | 2x + 9 = 15

Mathematics

1 answer:

vivado [14]3 years ago

4 0

Answer:

x₁ = 3

x₂ = - 12

Step-by-step explanation:

Hi there !

| 2x + 9 | = 15

1.

2x + 9 = 15

2x = 15 - 9

2x = 6

x = 6 : 2

x₁ = 3

2.

2x + 9 = - 15

2x = - 15 - 9

2x = - 24

x = - 24 : 2

x₂ = - 12

Good luck !

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