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SpyIntel [72]
4 years ago
14

What is ( 1 + 5) + xy = 25

Mathematics
1 answer:
Semmy [17]4 years ago
3 0
(1+5)+xy=25
parenthaese simplify
1+5=6
6+xy=25
subtract 6 from both sides
xy=19

therefor some possible values could be
x=1,y=19
x=19, y=1
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4 years ago
Factor each expression.<br><br> (9) 5a - 25<br><br> (10) 28 - 7x<br><br> (11) 12z + 28 - 7z - 3
Nimfa-mama [501]

Answer:

Step-by-step explanation:

Look for the GCF and then divide every term by the GCF to see what remains

(9) 5a - 25  ( GCF is 5 so take out 5 and divide every term by 5)

     5(a-5)

(10) 28 - 7x     ( GCF is 7 so take out 7 and divide every term by 7)

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(11) 12z + 28 - 7z - 3=  (combine terms) =

       5x+25( GCF is 5 so take out 5 and divide every term by 5)

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