add{4p + 2p}, and {-7p + 6q + 3r}
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Step-by-step explanation:
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Step-by-step explanation:
4p+2p =6p. 1st equation
-7p +6q +3r. 2nd equation
adding both the equation,
-7p+6q+3r + 6p
= -p +6q+3r
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