charati1317
21.08.2019 •
Mathematics
4x + y = 24
5x - y = 12
applying systems of linear equations substitution, elimination.
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Ответ:
4x=24
+ 5x=12
9x=36
9/9 x=36/9
X=4
Next use substitution to plug 4 back in to 'x'
4(4)+y=24
16+y=24
-16 -16
Y=8
X is 4 and Y is 8
Ответ:
13/18 or 0.72222222
Step-by-step explanation: