asked 140k views
0 votes
9x+10y=29
10x+9y=28
Solve by elimination

1 Answer

4 votes

(9x + 10y = 29)9

(10x + 9y = 28) - 10


81x + 90y = 261

- 100x - 90y = - 280

- 19x = - 19

x = 1

9(1) + 10y = 29

9 - 9 + 10y = 29 - 910y=20
y=2
answered
User Arjor
by
7.3k points

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.