youngthomas070 youngthomas070

19-04-2018
Mathematics

contestada

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

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audrey05 audrey05

19-04-2018

1) Find sum of (12x+9y) and (-2y)
12x+9y+(-2y)=12x+7y

2) Subtract (4x-3y) from the sum
(12x+7y)-(4x-3y)=12x+7y-4x+3y=8x+10y

3) The answer is 8x+10y

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