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Anybody know how to do this? Solve for RT.
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2 votes
Anybody know how to do this? Solve for RT.

Anybody know how to do this? Solve for RT.-example-1
User KodeWarrior
by
7.9k points

1 Answer

5 votes

Answer:

78

Explanation:

x + 21 = 3x - 15

- x - x

21 = 2x - 15

+ 15 + 15

36 = 2x

/ 2 / 2

18 = x

2 (x + 21)

2 (18 + 21)

36 + 42

78

User Bhrigesh
by
8.5k points
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