2) Solve.
49x - 57y = 172
57x - 49y = 252
Answers
Answered by
0
Step-by-step explanation:
57x-49y=252.
49x-57y=172
(-) (-) (-)
__________
8x +8 =80
____________
×+1=1 8 is cancelled
×=1-1
×=0
substitute x in 5x-49y =252
5(0)-49y=252
0-49y=252
-49y=252
y=252/-49
y= -5.14
Similar questions
English,
2 months ago
English,
2 months ago
Computer Science,
5 months ago
Biology,
5 months ago
Math,
10 months ago
Computer Science,
10 months ago