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Mathematics
Lyla Henry
19 April, 01:24
Solve the system of equation.
2x-3y=-1
y = x - 1
+4
Answers (
2
)
Ismael Dudley
19 April, 02:00
0
Sub
y=x-1 so sub x-1 for y in first equation
2x-3 (x-1) = - 1
2x-3x+3=-1
-x+3=-1
minus 3 both sides
-x=-4
times - 1
x=4
sub
y=x-1
y=4-1
y=3
x=4
y=3
(4,3)
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Carl Sanford
19 April, 02:52
0
2x-3y = - 1 (label 1)
y=x-1 (label 2)
sub 2 in 1
2x-3 (x-1) = - 1
2x-3x+3 = - 1
-x+3 = - 1
-x=-4
x=4
sub x=4 into 2
y=4-1
y=3
x=4 and y=3
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