148k views
2 votes
I Need Help Plz And Thank You And Show All Work And Steps.

Solve each system using the substitution method. Show all work and steps.

4.5.1) 2x-5y=8
x=3y-1


A. Substitute the equation that is already solved for one variable into the other equation.


B. Solve for the single variable in the one-variable equation.


C. Substitute the result from the previous step into x=3y−1 and solve for the unknown variable.


D. Write the solution as an ordered pair. E. Check the solution with the equation not used in Step C.

2 Answers

2 votes
The answer will be x=29
User Marthyn Olthof
by
5.0k points
3 votes

Answer: X=29

Explanation:

First you substitute the x's: 2(3y-1)-5y=8

Then you open parenthesis:6y-2-5y=8

Combine like terms: y-2=8

Bring the 2 to the other side: y=10

Now you substitute the y with the answer: x=30-1

Easy equation: x=29

User Clemahieu
by
4.6k points