Question

Multiply 2.1 and the number r results in 6.174. What is the value of r?

Answer 1

2.1r= 6.174

Divide each side by 2.1

The answer is r= 2.94

Answer 2

2.1(r) = 6.174

Isolate r. divide 2.1 from both sides

2.1r/2.1 = 6.174/2.1

r = 2.94

2.94 is your answer for r

hope this helps