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Mathematics
Hadassah Bradley
11 July, 07:37
What is y = 5 - 2x
3x - 2y = 4
+5
Answers (
1
)
Cayden
11 July, 08:25
0
x = 2
y = 1
Step-by-step explanation:
y = 5 - 2x (1)
3x - 2y = 4 (2)
From (1), substitute in (2)
3x - 2 (5 - 2x) = 4
3x - 10 + 4x = 4
Collecting like terms
3x + 4x = 4 + 10
7x = 14
x = 2
Since x = 2
Therefore
y = 5 - 2x
y = 5 - 2 (2)
y = 5 - 4
y = 1
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