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Mathematics
Elaine Terrell
26 January, 05:08
Y=2x-1
5x-4y=1
is 1,1 a solution of the system
+1
Answers (
1
)
Jenna Wilkerson
26 January, 06:54
0
yes
Step-by-step explanation:
given the 2 equations
y = 2x - 1
5x - 4y = 1
To determine if (1, 1) is a solution
Substitute x = 1, y = 1 into the left side of both equations and if equal to the value on the right side then it is a solution
y = 2x - 1
left side = 1 and right side = (2 * 1) - 1 = 2 - 1 = 1 ← both sides equal 1
5x - 4y = (5 * 1) - (4 * 1) = 5 - 4 = 1 = right side ← both sides equal 1
Hence (1, 1) is a solution to the system
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