2 years ago

What is -18d − -5d + 15d + -15 = 11

Mathematics

1 answer:

monitta2 years ago

6 0

Answer:

d = 13

Step-by-step explanation:

So first we collect like terms

-18d - (-5d) + 15d + (-15) = 11

-18 + 5d + 15d - 15 = 11

2d - 15 = 11

Add 15 to both sides

2d = 26

Divide both sides by 2

d = 13

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