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Sanaa Figueroa
Mathematics
10 August, 10:06
Solve 2x+5y=9 when y=1
+2
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Celia Guerrero
10 August, 10:28
0
Substitute the y=1:
2x + 5 (1) = 9
2x + 5 = 5
subtract the 5:
2x = 4
Divide by 2:
x = 2
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