A+B=76 A-B =38 A÷B=?
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A+B=76.......i
A-B=38.......ii
add i & ii
A+B+A-B=76+38
A+A=114
2A=114
A=57
putting value of A in equation i
A+B=76
57+B=76
B=76-57
B=19
now,in equation A÷B=?
putting value
57/19=3
so, A÷B=3
A-B=38.......ii
add i & ii
A+B+A-B=76+38
A+A=114
2A=114
A=57
putting value of A in equation i
A+B=76
57+B=76
B=76-57
B=19
now,in equation A÷B=?
putting value
57/19=3
so, A÷B=3
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