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rodikova [14]
3 years ago
15

What is the variable for -7.8 = 4.4 + 2r

Mathematics
1 answer:
balandron [24]3 years ago
6 0

Answer:

r = -6.1

Step-by-step explanation:

-7.8 = 4.4 + 2r

To get r, you need to isolate the variable

Subtract the 4.4 from both sides

-7.8 - 4.4 = 4.4 + 2r - 4.4

4.4 cancels out on the right

-12.2 = 2r

Divide both sides by 2

-12.2/2 = 2r/2

-6.1 = r

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