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borishaifa [10]
4 years ago
15

Simplify 12- (3r -23) +8r

Mathematics
1 answer:
chubhunter [2.5K]4 years ago
3 0

Answer:

-7

Step-by-step explanation:

1. Get rid of the brackets: 12-3r +23+8r

2. move the like terms to one side of the equation: -3r+8r = -23-12

3. Simplify: 5r = -35

4. divide both sides by 5: r= -7

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