- 2
+x is equal to 2 upon 7 + 3 upon 9
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Step-by-step explanation:
-2+x = 2/7+3/9
x-2= 2/7+3/9
x-2=2/7+1/3
x-2=6+7/21
x-2=13/21
x=13/21+2
x= 13+42/21
x=55/21
x=55/21
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