1.solve the following
x+y = 7;
x-y = -1
Answers
Answered by
1
Answer:
2x=6
x =6/2
x=3
x+y=7
3+y=7
y=7-3
y=4
Answered by
3
Answer:
Answer:
2x=6
x =6/2
x=3
x+y=7
3+y=7
y=7-3
y=4
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