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mel-nik [20]
2 years ago
8

Please help me! I really need help!

Mathematics
1 answer:
NemiM [27]2 years ago
8 0

Answer:

7d +d +d=45

Step-by-step explanation:

The length shown for the green line is shown as 45 therefore the black line also has 45

to prove your answer:

7d + d + d = 45

9d = 45

you need to get the letter d on its own so you

9d ÷9 = 45 ÷ 9 (what you do on the one side,you do on the other)

d = 5

*substitute

5 + 7(5) + 5

= 5+ 35 + 5

= 40 +5

= 45

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Hope you have a good day, Loves!

Also if I'm right can you let me know, please?

<u>Also Also if I am right can I please have Brainliest??</u>

<em>You don't need to, I'm just glad I could help. ^^</em>

<em><u>(If I did help-)</u></em>

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