2744erhuang
2744erhuang
04-08-2021
Mathematics
contestada
|a-7| - |a-9| if a<7
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MohammadAli82
MohammadAli82
04-08-2021
Step-by-step explanation:
[tex] - |a - 7| - ( - |a - 9| ) = - a + 7 + a - 9 = - 2[/tex]
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