What does d = math help please ......

asked Jan 3, 2023 159k views

3 votes

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5 votes

Answer:

d = -5

Explanation:

$(4)/(5)d + 3 = -2 -(1)/(5)d\\ \\ (4)/(5)d + (1)/(5) d = -3 -2\\\\(4+1)/(5)d = -5\\\\ (5)/(5) d = -5\\\\d = -5$

Check:

$((4)/(5) )(-5) + 3 = (-2) - ((1)/(5))(-5)\\\\((-20)/(5) ) + 3 = -2 - ((-5)/(5) ) \\\\-4 + 3 = -2 + 1\ = -1$

Zpontikas answered Jan 9, 2023

5.3k points

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