yazzzz1417
yazzzz1417
19-09-2018
Mathematics
contestada
need help please !!!!
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imconfusedplzhelp
imconfusedplzhelp
19-09-2018
I believe it is 42 because 21-(-14) would be -35 and then subtract -7 witch you would add because and it would be 42 because a negative and a negative equal a postive but I really don't know but I tried
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SIMULTANEOUS EQUATION x + 2y = 12 3x - 10y = 0 x = ? y = ? Thanks
