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Ierofanga [76]
3 years ago
9

How do you do 6d + 4 + 5d - 2d = 58 ?

Mathematics
2 answers:
Tanya [424]3 years ago
8 0
6d+4+5d-2d=58
9d=58-4
9d=54
d=54/9
d=6
Nezavi [6.7K]3 years ago
5 0

<u>To solve this first combine like terms.</u>

6d+4+5d-2d=58

6d+5d=11d

11d-2d=9d

9d+4=58

<u>Then continue by subtracting 4 from both sides of the equation.</u>

9d+4=58

9d+4-4=58-4

9d=54

<u>Divide both sides by 9 to isolate d</u>.

\frac{9d}{9}=\frac{54}{9}

d=6

To check if this answer is true, substitute 6 back into the original equation.

6(6)+4+5(6)-2(6)=58

36+4+30-12=58

40+30-12=58

70-12=58

58=58

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