Math, asked by artivalecha099, 5 months ago

if a=5x+11y-15z, b=12x-13y+19z,c=7x-6y+21z, find 2a+3b+c​

Answers

Answered by pawarshreyashruti39
3

Step-by-step explanation:

sorry bro/sis i have no idea about it

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