0
Anonymous
you need 2 equations to solve for 2 variables
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2x+x-5 = 10 2x+x = 10+5 3x = 15 x = 5 and y = 0
-4 plus 10 equals 6.
x=10
12 + 10 + 11 equals 33
A equals 4 because 4 plus 6 is 10 or 10 minus 6 is 4.