Study guides

☆☆

Q: Solve using susbstitution method X-5y equals -54 and 2y-5x equals 63?

Write your answer...

Submit

Still have questions?

Continue Learning about Other Math

you cant

You can verify section formula by graphical method if you cannot solve it using algebra.

Add the equations: 4a + 4a - 5b + 5b = 7 + 17 ie 8a = 24 a = 3, so b = 1

a2+30a+56=0 , solve for a Using the quadratic formula, you will find that: a=-2 , a=-28

Solve the problem using the + sign for the variable. Then solve the problem using the - sign for the variable. Report your answer as the answer that you got using + or the answer that you got using -.

Related questions

the answer

(2,-2)

x=1, y=1

Yes and it works out that x = 3 and y = 4

The graphical method is a method used to solve algebraical problems by using graphs.

4

you cant

By elimination: x = 3 and y = 0

You can solve the system of equations with three variables using the substitute method, or using matrix operations.

667

solve system equation using addition method 3x-y=9 2x+y=6

You can solve lineaar quadratic systems by either the elimination or the substitution methods. You can also solve them using the comparison method. Which method works best depends on which method the person solving them is comfortable with.

People also asked