-x -2y= -10 x+5y=19

-X- 2y=-10 X+5y=19
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1 Answer

-x -2y= -10 x+5y=19

-x - 2y = -10

x + 5y = 19

Add teh two equations together, to get

3y = 9

y = 3

Substituting for y = 3 in the 1st equation above,

-x - 2*3 = -10

-x - 6 = - 10

-x = -4

x = 4

by Level 11 User (81.5k points)
edited by

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