5x+7x=50
7x+5y=46
graphical method
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Step-by-step explanation:
5x+7x=50
7x+5y=46
———
2y=4
y=4/2
put y=2 in equation 2
7x+5(2)=46
7x10=46
7x=46-10
7x=36
x=5
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