Question

What is the value of the expression when a = 3 and b = 5?

8a+6(2b-7)

Answer 1

`8\cdot3+6(2\cdot5-7)=\\ 24+6(10-7)=\\ 24+6\cdot3=\\ 24+18=\\ 42`

Answer 2

`Put\ the\ value\ of\ a=3\ and\ b=5\ to\ the\ expression\ 8a+6(2b-7):\\\\8\cdot3+6\cdot(2\cdot5-7)=24+6\cdot(10-7)=24+6\cdot3=24+18=\boxed{42}\\\\Used\ PEMDAS\\\\Parenthesis\\Exponents\\Multiplication\\Division\\Addition\\Subtraction`