Add the expressions 3x+5y-4, - 9x+4y
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Answer:
-6x+9y-4
Step-by-step explanation:
3x+5y-4+(-9x+4y)
3x+5y-4-9x+4y
3x-9x+5y+4y-4
-6x+9y-4
hope it helped you :-)
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