Order the steps and justifications in solving the

Conny Mendoza

Conny Mendoza

Answered question

2022-07-12

Order the steps and justifications in solving the system of linear equations.

Equation 1: 4x+3y=84x+3y=8

Equation 2: −2x−3y=−4


 

Answer & Explanation

alenahelenash

alenahelenash

Expert2023-06-18Added 556 answers

To solve the system of linear equations:
Equation 1: 4x+3y=8
Equation 2: 2x3y=4
We can use the method of elimination or substitution. Let's use the method of elimination to order the steps:
1. Multiply Equation 2 by a suitable constant to create opposite coefficients for either x or y terms.
Multiplying Equation 2 by 2, we get: 4x6y=8
2. Add Equation 1 and the modified Equation 2 to eliminate one variable.
(4x+3y)+(4x6y)=8+(8)
Simplifying, we obtain: 3y=0
3. Solve the resulting equation for the remaining variable.
Dividing both sides of 3y=0 by 3, we have: y=0
4. Substitute the value of y back into either Equation 1 or Equation 2 to solve for the other variable.
Substituting y=0 into Equation 1, we get: 4x+3(0)=8
Simplifying, we have: 4x=8
Dividing both sides by 4, we obtain: x=2
5. Check the solution by substituting the values of x and y into both equations.
Substituting x=2 and y=0 into Equation 1: 4(2)+3(0)=8
Simplifying, we have: 8=8, which is true.
Substituting the same values into Equation 2: 2(2)3(0)=4
Simplifying, we have: 4=4, which is also true.
Therefore, the solution to the system of linear equations is x=2 and y=0.

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