abbisauers
09.06.2020 •
Mathematics
3a+2b=9 and 8x+6y=60
what is the value of 9a+6b
what is the value of 4x+3y
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Ответ:
The Value of 9a+6b is 27. and the value of 4x+3y is 30.
Explanation
1)
3a+2b=9
multiplying both by side by 3
or, 3×( 3a+2b)=3×9
Hence, 9a+6b=27
2)
8x+6y=60
Dividing both by side by 2
or, (8x+6y)/2 = 60/2
Hence, 4x+3y=30
Ответ:
2x+18+5x-9
2x+5x18-9
7x+9
7. 7
x= 1.4
hope it helps