Step 1:
Solve one of the equations for either x = or y = .
Step 2:
Substitute the solution from step 1 into the other equation.
Step 3:
Solve this new equation.
Step 4:
Solve for the second variable.
Example 1: Solve the following system by substitution
Substitution Method Example
Solution:
Step 1: Solve one of the equations for either x = or y = . We will solve second equation for y.
solution step 1
Step 2: Substitute the solution from step 1 into the second equation.
solution step 2
Step 3: Solve this new equation.
solution step 3
Step 4: Solve for the second variable
solution step 4
The solution is: (x, y) = (10, -5)
Hope this helps!
Answer:
I believe the answer would be A
Step-by-step explanation:
Hope this helps!
Dr. Appiah’s patients’ ages vary less than do Dr. Singh’s patients’ ages.
GARBAGE DAY!
I think it’s positive. As it gets heavier, the cost has a positive slope, or increases. I’m not absolutely sure though
Answer:
5:3
Step-by-step explanation:
to find the scale factor you set up the proportion as 15/9 and reduce to 5/3
