Math, asked by sanikaapte1979, 19 days ago

Find the value of r from (3r - 20) + 1/2 (2+3x) = 1/5, where x = r - 3

Answers

Answered by rashscorpio

1

Answer:

5.25

Step-by-step explanation:

3r - 20 + 1/2x 2+3x = 1/5

= 3x - 11 + 1/2 2+3x= 1/5

1+1.5x + 3x -11 = 1/5

1.5x+3x = 1/5 - 1 + 11

4.5x = 1/5 + 10

4.5x = 50/5 + 1/5

4.5x = 51/5

4.5x = 10.2

x = 10.2/4.5

x = 2.25

given x = r-3

2.25 = r - 3

5.25 = r

hope it helps

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