Question

clear parentheses and combine like terms:
-(2m-7n) -3(6m-n)

Answer 1

-2m+7n-18m+3n
-20m+10n

Answer 2

so the bottom one is the answer?

Answer 3

yep

Answer 4

can u help me do a couple more?

Answer 5

sure

Answer 6

6(y-9)-5(2y-5)

Answer 7

open the bracket first
6y-54-10y+25
6y-10y-54+25
-4y-29

and please check the signs when you're doing such they might confuse

Answer 8

ok -(8w+5)+3(w-15)

Answer 9

-8w+5+3w-15
-8w+3w+5-15
-5w-10

Answer 10

hey rose!