Arthur D. answered 05/29/19
Tutor
4.9
(306)
Forty Year Educator: Classroom, Summer School, Substitute, Tutor
x+y=10
x-y=2
add
2x=12
x=6 and y=4
Briar R.
asked 05/29/19Arthur D. answered 05/29/19
Forty Year Educator: Classroom, Summer School, Substitute, Tutor
x+y=10
x-y=2
add
2x=12
x=6 and y=4
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