2 years ago

Solve for the value of d

Mathematics

1 answer:

sp2606 [1]2 years ago

6 0

Answer:

<h2><em><u>ᎪꪀsωꫀᏒ</u></em></h2>

d= 9

Step-by-step explanation:

6d+8+3d+1 = 90

9d+9 = 90

9(d+1) = 90

d+1 = 90/9

d+1 = 10

d= 10-1

d= 9

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