The same spot where you cut your leg
Step-by-step explanation:
![- |a - 7| - ( - |a - 9| ) = - a + 7 + a - 9 = - 2](https://tex.z-dn.net/?f=%20-%20%20%7Ca%20-%207%7C%20%20-%20%28%20-%20%20%7Ca%20-%209%7C%20%29%20%3D%20%20-%20a%20%20%2B%207%20%2B%20a%20-%209%20%3D%20%20-%202)
Answer:
40
Step-by-step explanation:
Answer:
The correct answer is D) 7+(3+1)=(7+3)+1
Step-by-step explanation:
The associative property of addition states that it doesn't matter how you group numbers inside of parenthesis, it gives you the same answer. So even though the groupings are different in that example, the answer is still the same.
Answer:
x=4, y=13. (4, 13).
Step-by-step explanation:
3x+2y=38
-6x+4y=28
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simplify -6x+4y=28 into -3x+2y=14
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3x+2y=38
-3x+2y=14
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4y=52
y=52/4=13
3x+2(13)=38
3x+26=38
3x=38-26
3x=12
x=12/3=4
x=4, y=13.