SOLUTION: 8m+2=17 m-4n=31 solve by substitution

SOLUTION: 8m+2=17 m-4n=31 solve by substitution

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Question 610610: 8m+2=17
m-4n=31
solve by substitution

Answer by Maths68(1474) (Show Source): You can put this solution on YOUR website!
..................(1)
..................(2)
Take (1)
..................(1)

Substitute the value of m in (2)
..................(2)

,

Check
=========
Put the values of n and m in (2)

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