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elena55 [62]
3 years ago
11

(Once again) "find the value of x"

Mathematics
2 answers:
alukav5142 [94]3 years ago
8 0

Answer:

15

Step-by-step explanation:

geniusboy [140]3 years ago
5 0

Answer:

15

Step-by-step explanation:

4x+2x=90

6x=90

x=15

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