SOLUTION: I need help solving using substitution method
3x + 24y = 24
27x - 15y = -15y
Algebra.Com
Question 383479: I need help solving using substitution method
3x + 24y = 24
27x - 15y = -15y
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
solving using substitution method
3x + 24y = 24
27x - 15y = -15
-----------------------
Simplify each equation:
x + 8y = 8
9x - 5y = -5
----
Modify:
x = 8-8y
------
Substitute:
9(8-8y)-5y = -5
72-72y-5y = -5
77y = 77
y = 1
-----
Since x = 8-8y, x = 0
============================
Solution: (0,1)
======================
Cheers,
Stan H.
===========
RELATED QUESTIONS
Please can someone help me with this problem:
solve using substitution method. If the... (answered by MathTherapy)
Solve using the substitution method. Show your work. If the system has no solution or an... (answered by stanbon)
need help solving 1/3(12x -... (answered by ReadingBoosters)
5x+15y=35
2x+8y=18 using substitution... (answered by rajarn_shahi456)
solve the system of equations using the addition method
9x-5y=4... (answered by RAY100)
Can someone please help me solve using the elimination method?
5x - 15y = 5
5x - 15y... (answered by sudhanshu_kmr)
Solve using the substitution method:
x-y=5 x+2y=7
I came up with... (answered by nyc_function)
I am trying to solve the following equation. Solving by substitution:
15x-10y=11... (answered by ReadingBoosters)
Solve by substitution or elimination method:
4x – 5y = 14... (answered by solver91311)