SOLUTION: what is the answer for
x=3y
x+2y=30
Algebra.Com
Question 816330: what is the answer for
x=3y
x+2y=30
Found 2 solutions by TimothyLamb, stanbon:
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
x = 3y
x + 2y = 30
---
x + 2y = 30
3y + 2y = 30
5y = 30
---
y = 6
x = 18
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
what is the answer for
x=3y
x+2y=30
------
Substitute for "x" and solve for "y":
3y+2y = 30
5y = 30
y = 6
-----
Solve for "x":
x = 3y = 3*6 = 18
---------------------
Cheers,
Stan H.
===================
RELATED QUESTIONS
What is the answer?... (answered by Alan3354)
x+3y = 12
x-2y = 2
What is the intersection? (answered by Alan3354)
what is the answer to the following equation using the substitution: x=3y-1, x+2y=9... (answered by amoresroy,stanbon,rfer,Alan3354)
What is the solution to the following system:
3x – 2y + 2z = 30
–x + 3y – 4z = -33
2x... (answered by Alan3354)
What is the answer to these 3 variables
3x+y+z=14
5x-y+5z=30... (answered by Edwin McCravy)
What is the answer to x=5y,... (answered by rfer)
y=2x
x+y=12 What is the answer in (x,y) form
y=1/3x+6
3y-x=24 What is the... (answered by JBarnum)
what is the determinante
2x+3y=4... (answered by rfer)
what is the answer step bye step
x-3y=-3... (answered by rfer)