1.

x+ 17-7=20

Answer»

x+17-7=20.x-10=20x=20+10x=30

X+17-7=20X+10=20X=20-10X=10

10 is the right answer

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10 is the correct answer

x + 17 - 7 = 20x + 10 = 20x = 20-10x = 10



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