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how to change sign in elimination methord sometimes it become (-) (+)=+ how???

Posted by Shyam Rajput 7 years, 6 months ago

CBSE > Class 10 > Mathematics

4 answers

Swati Tonger 7 years, 6 months ago

yes

Shyam Rajput 7 years, 6 months ago

swati tum ya kahna cahati ho ki agar upper (-) ha aur neecha (-) toh change nhii hoga sirf + and - change hoga

Swati Tonger 7 years, 6 months ago

but agar unka sign same h to sign nahi change hota

Anshuman Lenka 7 years, 6 months ago

Niche jo sab number honge unko dekhna......... Jo positive jonge.... Wahan - hoge..... Aur negative hoge to +

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