Hi,

Solve by substitution

4x - 10y = 6     

4x + y = 6     4x = 6-y



4x - 10y = 6 

(6 - y) - 10y = 6

6 - y - 10y = 6

-11y = 0

y = 0

4x + y = 6 

4x + 0 = 6

4x = 6

x = 6/4 Or 3/2



checking our answer

4x - 10y = 6   

4*(3/2) + 0 = 6

6 + 0 = 6 

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