Nikosupreme
Nikosupreme
20-12-2014
English
contestada
Simplify the expression: 9x + 4y - 7x + 2y.
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garyaustin1021
garyaustin1021
20-12-2014
Just combine like terms. So 9x would go with -7x and 4y will go with 2y. so 9x-7x equals 2x, and then 4y+2y equals 6y.So your final expression will be 2x+6y
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yamlam
yamlam
22-12-2014
You will have to add or subtract the like terms.
9x + 4y - 7x + 2y
9x - 7x + 4y + 2y
2x + 6y
The answer would then be 2x + 6y
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