SOLUTION:
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
