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Mathematics
Talan Branch
25 November, 12:12
7x-4y = 3 and 7-4y=3
+3
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1
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Lacey Camacho
25 November, 13:46
0
Answer:x=1 and y=1
Step-by-step explanation:
Solve simultaneously
-4y=3-7
-4y=-4
y=1
Substitute for y in equation 1
We get
7x-4 (1) = 3
7x-4=3
7x=3+4
7x=7
x=1
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