Question

determine whether the expression r-17m-8 is eqiuvalent to 3(2r-4m)-5(m+3-r)+7. use properties to justify your answer

Answer 1

Case: Expression

Method:

r - 17m - 8 = 3(2r-4m)-5(m+3-r)+7

Simplifying the R.H.S

3(2r-4m)-5(m+3-r)+7

Distributing

6r - 12m -5m -15 +5r + 7

Collecting like terms

6r - 5r -12m -5m -15 + 7

Simplifying

r -17m -8

Final answer:

Both expressions are equivalent