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Mathematics, 05.05.2020 00:06 chandranewlon

Olivia added the linear equations - 4x +9y = 19
and 5x – 9y = - 17 together and got x = 2. She
then substituted the value of x back into one of
the equations and simplified to get y = 3. How many solutions are there to the system of
equations?
A.0
B.1
C.2
D.3

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Olivia added the linear equations - 4x +9y = 19
and 5x – 9y = - 17 together and got x = 2. She...
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