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If A=5m+11n-15p,B=12m-13n+19p and C=7m-6n+21p , then the value of A+B−C is |
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Answer» Step-by-step EXPLANATION: = 5m+11n-15p+12m-13n+19p -(7m-6n+21p) = 5m+11n-15p+12m-13n+19p-7m+6n-21p = 10m+4n-17p |
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