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April Romero
Mathematics
22 December, 18:07
Use substitution to solve the system.
y = 2x - 4
5x+2y = 1
x=
y=
+2
Answers (
1
)
Mario Johns
22 December, 18:15
0
y = 2x - 4
5x+2y = 1
substitute y = 2x - 4 into 5x+2y = 1
5x+2y = 1
5x+2 (2x - 4) = 1
5x + 4x - 8 = 1
9x = 9
x = 1
y = 2x - 4 = 2 (1) - 4 = - 2
answer
x = 1 and y = - 2
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