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Marina CMI [18]
3 years ago
15

3(2x - 2) - r + 3x = 2(7x + 1) – 5x - 9

Mathematics
1 answer:
ivanzaharov [21]3 years ago
5 0

Answer:

r=1

Step-by-step explanation:

3(2x−2)−r+3x=2(7x+1)−5x−9

Step 1: Add -9x to both sides.

−r+9x−6+−9x=9x−7+−9x

−r−6=−7

Step 2: Add 6 to both sides.

−r−6+6=−7+6

−r=−1

Step 3: Divide both sides by -1.

−r

−1

=

−1

−1

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4 is a positive number

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2 years ago
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