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Natasha_Volkova [10]
2 years ago
11

Find the value of x? Please help?

Mathematics
1 answer:
quester [9]2 years ago
6 0

Answer:

x=7

Step-by-step explanation:

x+5=3x-9

<u>    +9    +9</u>

x+14=3x

<u>-x       -x</u>

<u>14=2x (divide by 2)</u>

   2

7=x

Check answer:

<u>7+</u>5= 12 (substitue x)

3(7)-9= 12 (substitute x)

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