Solve by elimination 3x + 5y = -1 7x - 5y = 31

asked Feb 1, 2021 188k views

4 votes

Solve by elimination

3x + 5y = -1
7x - 5y = 31

by Wah

4.8k points

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4 votes

(3,-2)
X, Y
This is the solution for the system of equations

5.6k points

5 votes

(3,-2)
Explanation
3x+5y=-1
7x-5y=31
Get rid of y
3x=-1
7x=30
10x=30
X=3
Plug x into one equation

7(3)-5y=31
21-5y=31
-21. -21
-5y=10
Y=-2

Ahmet Arslan answered Feb 5, 2021

5.3k points

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