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zhenek [66]
3 years ago
5

What is 10+10 -20? help

Mathematics
2 answers:
natita [175]3 years ago
8 0
It's 0 because 10+10 = 20 then subtract 20 and you get zero.
Elina [12.6K]3 years ago
5 0
La respuesta es cero 0
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5 0
3 years ago
8x-8+3ax=5ax-2a<br>solve for a
Kisachek [45]

Answer:

a=4

Step-by-step explanation:

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8 0
4 years ago
Jennifer Lopez met her 9 cousins at a family reunion. The number of male cousins (x) was 2 less than the number of females cousi
vesna_86 [32]
We define the variables first:
 x = number of male cousins
 y = number of females cousins
 We write the system of equations:
 x + y = 9
 x = y-2
 We solve the system:
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 Equation 2:
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 number of male cousins = 3.5
 number of females cousins = 5.5
6 0
3 years ago
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