Solve for d. 1.2+d+0.4=9.7

Enter your answer as a decimal in the box.

8.1

Explanation:

I took this test yesterday! loll

but anyway.. what i did was :

I added - 1.2 + 0.4 to get that out of the way. (1.2 + 0.4 = 1.6)

then i subtracted 9.7 - 1.6 to find out what d is.

then i got 8.1 which is d.

Let's check our work:

1.2 + 8.1 + 0.4 = ?

    \/        

   9.3 + 0.4 = 9.7

YW <3

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