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Exam (elaborations)

Solutions by Substitution Exam 2025/2026 Questions With Completed & Verified Solutions.

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Solutions by Substitution Exam 2025/2026 Questions With Completed & Verified Solutions.

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Using Data
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Institution
Using Data
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Uploaded on
January 24, 2025
Number of pages
2
Written in
2024/2025
Type
Exam (elaborations)
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Questions & answers

Subjects

  • 10x 10y 1 x y 3
  • solve the system of equations by substitution a
  • y x 1 when the expression x1 is substituted i

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Solutions by Substitution

10x - 10y = 1
x=y-3
Solve the system of equations by substitution. - ANS - no solution
\2x + y = 7
y=x+1
When the expression x+1 is substituted in for y in the first equation, the result is -
ANS - 3x + 1 = 7
\3x - y = 2
y=x-1
When the expression x - 1 is substituted into the first equation for y, the resulting
equation is - ANS - 2x + 1 = 2
\5x - 2y = 6
x=5-y
Solve the system of equations by substitution. - ANS - (16/7, 19/7)
\5x - 6 = y
2x - 3y = 4
Solve the system of equations by substitution. - ANS - (14/13, -8/13)
\5x - 6y = 0
y=x
Solve the system by substitution. - ANS - (0, 0)
\7 + 2y = 8x
3x - 2y = 0
Solve the system of equations by substitution. - ANS - (7/5, 21/10)
\7x - 2 = 2y
3x = 2y - 1
Solve the system of equations by substitution. - ANS - (3/4, 13/8)
\8x = 2y + 5
3x = y + 7
Solve the system of equations by substitution. - ANS - (-9/2, -41/2)
\8y - 1 = x
3x = 2y
Solve the system of equations by substitution. - ANS - (1/11, 3/22)
\Determine if the equations are intersecting, parallel, or coincident.

2x - y = c
x + 2y = d - ANS - Intersecting
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