Question

1.-5(4-а)=2.(m+2)•(-r)=3)-3(b+6)=4)(m-4•)(-b)=​

Answer 1

1.-20+5a
2.-mr-2r
3.-3b-18
4.-bm+4b

Answer 2

It seems like you have provided an equation with multiple expressions involving variables. However, the equation is not clear due to the presence of extra symbols and missing parentheses. Could you please clarify the equation and the variables involved?