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Anonymous
10
Noble Bogan ∙
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x + y = 6
x - y = 4 Add the equations together. This will eliminate the 'y' terms.
2x.....= 10 : x = 5
By substituting for 'x' in either original equation enables y to be determined.
5 + y = 6 : y = 6 - 5 = 1
Wiki User
x=6
x = 2y = 4
-4
6x+4 = x+12+4x-6 6x-x-4x = 12-6-4 x = 2
x + 4 = 6 x = 6 - 4 x = 2