3 years ago

If DM = 45, what is the value of r? r+ 3 4r - 28

Mathematics

1 answer:

Andre45 [30]3 years ago

6 0

Answer:

Step-by-step explanation:

Given

DG = r+3

GM = 4r-28

DM = 45

Based on the given parameters the equation DM = DG+GM is true.

TI get the value of r we will substitute the given values into the expression;

r+3+4r-28 = 45

5r -25 = 45

5r = 45+25

5r = 70

r = 70/5

r = 14

Hence the value of r is 14

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