4 years ago

D-21.4=87.9 Explain your answer

1 answer:

7 0

<span>D-21.4=87.9 \ solve for D

add 21.4 to both sides
</span><span>D - 21.4 +21.4 =87.9 + 21.4

simplify
D = 109.3</span>

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