Pre-Calc
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Chapter 7: Systems and Matrices
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7.1 Solving Systems of Two Equations
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Solve System by Substitution
Solve System by Substitution
5
Solve the system by substitution. x - 5y = 2-7x - 6y = 27
Solve the system by substitution. x - 4y = -312x - 4y = -34
Solve the system by substitution.x - y2 = 0x - 25 = 0
Solve the system by substitution.x + y = 17x - y = 1
Solve the system by substitution.y - x2 = -3xy = x + 5