Answer:
4-3y+(-7y)+7.2
4-3y+-7y+7.2
11.2-3y-7y
11.2=10yu
Explanation:
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11.2 - 10y
= 4-3y +(-7y) + 7.2
= 4 -3y -7y +7.2
= 4 -10y +7.2
= 4 +7.2 - 10y
= 11.2 - 10y
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