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OLga [1]
3 years ago
12

Solve for r. –10r = 4 − 9r

Mathematics
2 answers:
weeeeeb [17]3 years ago
5 0
The answer to the variable r is r=-4
Eduardwww [97]3 years ago
3 0

Answer:

r = -4

Step-by-step explanation:

–10r = 4 − 9r

Add 9r to each side

–10r+9r = 4 − 9r+9r

-r = 4

Multiply each side by -1

-1 *-r = 4 *-1

r = -4

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