answersLogoWhite

0


Best Answer

Since the second equation is already solved for "y", you can replace "y" by "9" in the other equation. Then solve the new equation for "x".

User Avatar

Wiki User

2014-06-17 15:13:44
This answer is:
User Avatar
Study guides

Algebra

20 cards

A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

➡️
See all cards
3.8
2244 Reviews

Add your answer:

Earn +20 pts
Q: Solve using substitution x plus y equals 3 and y equals 9?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

How would use solve the system of equation x plus 3y equals 23 by using substitution?

You'd need another equation to sub in


Solve using substitution x minus y equals 2 and x plus y equals -4?

-2


Solve this system of equation using substitution 2x plus 6y equals 24 and 3x-2x equals 24?

Solve this system of equation using substitution 2x plus 6y equals 24 and 3x-2x equals 24 ?Improved Answer:2x+6y = 243x-2x = 24 => x =24Substitute the value of x into the top equation to find the value of y:48+6y = 246y = 24-486y = -24y = -4So: x = 24 and y = -4


Use the substitution method to solve the system of equations Choose the correct ordered pair 2x plus 3y equals 13 x equals 2?

(2,3)


What is 2x plus 3y equals -1 5x-2y plus -12 using substitution?

x = -2 and y = 1


If Using substitution method to solve the equation y equals 8x plus 3 and y equals 7?

This is not Calculus.y=7(Already solved)substiute y=7 into y=8xtherefore 7 = 8xtherefore x = 7/8


Solve this equation using substitution 5x plus y equals 5 and 3x plus 2y equals 3?

From first equation: y = 5 - 5xSubstitute for y in second equation: 3x + 10 - 10x = 3ie -7x = -7ie x = 1 and y = 0


Solve this equation using substitution 3x plus 2y equals 2 and -2 plus y equals 8?

From second equation: y = 8 + 2xSubstitute for y in first equation: 3x + 16 + 4x = 2ie 7x = -14ie x = -2 and y = 4


How do you solve x plus y equals 4 and y equals 2X plus 1 by substitution method?

If: x+y = 4 and y = 2x+1 Then: 4-x = 2x+1 => 3 = 3x => 1 = x So by substitution: x = 1 and y = 3


What is Solve By Subtitution y0.5x plus 2 -y-2x plus 4?

When using substitution the answer to y0.5x plus 2 -y-2x plus 4 is y = -2 (x-1.


Solve this equation using substitution 5x plus y equals 1 and 3x plus 2y plus 2?

It is not possible to do so because the question contains one equation (5x + y = 1) and one expression (3x + 2y + 2). An expression cannot be solved.


How do you solve 0 equals x squared minus ten x plus 16?

Solve using the quadratic formula

People also asked