James used substitution to solve this system of equations. Which could be the result of his first step
2 answers:
Answer:
Option D -
Step-by-step explanation:
Given : James used substitution to solve this system of equations.
Equation 1 -
Equation 2 -
To find : Which could be the result of his first step ?
Solution :
In substitution method we substitute the value of one variable from a equation and put it into another equation.
We substitute the value of y from equation 2 in equation 1,
Equation 1 -
Therefore, the result of his first step is
So, Option D is correct.
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