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3dsbulet
@3dsbulet
June 2022
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Решить систему уравнений x^2-y=28
x-y=2
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nikki8
x-2y=-28;x-y=-2
Solution :
{x,y} = {24,26}
System of Linear Equations entered :
[1] x - 2y = -28 [2] x - y = -2
Graphic Representation of the Equations :
-2y + x = -28 y + x = -2
olve by Substitution :
// Solve equation [2] for the variable x
[2] x = y - 2
// Plug this in for variable x in equation [1]
[1] (y -2) - 2y = -28 [1] - y = -26
// Solve equation [1] for the variable y
[1] y = 26
// By now we know this much :
x = y-2 y = 26
// Use the y value to solve for x
x = (26)-2 = 24
Solution :
{x,y} = {24,26}
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Answers & Comments
Solution :
{x,y} = {24,26}
System of Linear Equations entered :
[1] x - 2y = -28 [2] x - y = -2
Graphic Representation of the Equations :
-2y + x = -28 y + x = -2
olve by Substitution :
// Solve equation [2] for the variable x
[2] x = y - 2
// Plug this in for variable x in equation [1]
[1] (y -2) - 2y = -28 [1] - y = -26
// Solve equation [1] for the variable y
[1] y = 26
// By now we know this much :
x = y-2 y = 26
// Use the y value to solve for x
x = (26)-2 = 24
Solution :
{x,y} = {24,26}