Math, asked by mk6826302, 8 months ago

x+x+9=18
9x=18
X= -81/9
x=-9

Answers

Answered by Anonymous
2

Answer:

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Answered by sg6884018
0

Step-by-step explanation:

x+x+9=18

2x=18-9

2x=9

x=9/2

x=4.5 or45/10

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