3x+5y=27
x+4y=23
x=23-4y
3(23-4y)+5y=27
69-12y+5y=27
-12y+5y=27-69
-7y=-42
x=23-4*(6)
y=6
x=-1
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
3x+5y=27
x+4y=23
x=23-4y
3x+5y=27
x=23-4y
3(23-4y)+5y=27
x=23-4y
69-12y+5y=27
x=23-4y
-12y+5y=27-69
x=23-4y
-7y=-42
x=23-4*(6)
y=6
x=-1
y=6