Subtract (4x - 3y) from the sum of (12x + 9y) and (-2y).

Question

Mathematics

Theresa Humphrey

9 January, 22:59

Subtract (4x - 3y) from the sum of (12x + 9y) and (-2y).

+1

Answers (1)

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Shea Chang · Answer 1

first step sum means addition so (12x+9y) + (-2y) = 12x + 7y

second step subtract (4x - 3y) from (12x+7y)

need to use the distributive property:

12x + 7y - 4x - - 3y =

12x + 7y - 4x + 3y

combine like terms

8x+10y

Answer has been edited.