verify (-3/4+-2/5)+-7/10=3/4+(-2/5+-7/10)
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LHS=(-3/4 -2/5) -7/10
-15-8/20 -7/10
-23/20 -7/10
-23 -14/20
-37/20
RHS
=-3/4 +(-4-7/10)
=-3/4+(-11/10)
=-3/4-11/10
=-15-22/20
=-37/20
LHS=RHS
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vish3268:
pls correct the sign before 3/4 ....their is -3/4
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hope its helpful to you..
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