solve using substitution method:
1.5x+0.1y=6.2;3x+0.4y=11.2
Answers
Answered by
2
Answer:
Step-by-step explanation:
We can write it
15x+y=62 multiply by4
3x+4y=112
Then,
60x+4y=268
3x+4y =112
Subtract we get,
57x= 156
X=156/57
Similar questions