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Solving Systems of Linear Equations: Substitution: Assignment/ Solved.

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Solving Systems of Linear Equations: Substitution: Assignment/ Solved. The value of x in this system of equations is 1. 3x + y = 9 y = -4x + 10 Substitute the value of y in the first equation: Combine like terms: Apply the subtraction property of equality: Apply the division property of equality: 1. 3x + (-4x + 10) = 9 2. -x + 10 = 9 3. -x = -1 4. x = 1 What is the value of y? y= - Answer: 6

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Solving Systems of Linear Equations:
Substitution: Assignment/ Solved.

The value of x in this system of equations is 1.

3x + y = 9

y = -4x + 10

Substitute the value of y in the first equation:

Combine like terms:


Page 1 of 6

, Apply the subtraction property of equality:

Apply the division property of equality:

1. 3x + (-4x + 10) = 9

2. -x + 10 = 9

3. -x = -1

4. x = 1

What is the value of y?

y= - Answer: 6



Vineet solved a system of equations by substitution. In his work, he

substituted an expression for one of the variables and solved for the

value of the other. This resulted in the equation 7 = 9. What can Vineet

conclude? - Answer: B. The system of equations does not have a

solution.



The volleyball team at West View High School is comparing T-shirt

companies where they can purchase their practice shirts. The graph
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