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Wiki User
∙ 2010-05-18 15:37:21x=4, y=3
3 4/7 minus 1/7 is 3 3/7
9 - -3 = 9 + 3 = 12 12 - 8 = 4 9 - -3 - 8 = 4
a=20
3/6 minus 2/8 is 1/4
4/9 minus 3/4 equals -11/36
n=-4/3
3 over 4 is equal to 6 over 8. So 6 over 8 minus 3 over 8 equals 3 over 8.
7 − 43/4 = 21/4
(-3)-(4)=(-3)+4=1 Minus times minus equals plus. The reason for this we need not discuss.
Yes
x=4, y=3
-7
x=-1 ^ how do you know?
3/4 - 5/12 = 9/12 - 5/12 = 4/12 = 1/3.
7-3=4
Four minus three equals one. (Or, 4 - 3 = 1.)