Question

Which expression is equivalent to 2(m − 4) + 1?2m − 72m − 32m + 92m + 10

Answer 1

Equivalent to

2(m − 4) + 1

then eliminate parenthesis

aplying distributive law

a• (b+c) = ab + ac

2(m-4) = 2m - 2•4 = 2m -8

Now add +1

2m - 8 + 1 = 2m - 7

In consecuence, right answer IS OPTION A)