Help please this is kind of easy

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?