Add : -(7/18) and 8/27
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1
Answer:
A presidential system is a democratic and republican government in which a head of government leads an executive branch that is separate from the legislative branch. This head of government is in most cases also the head of state, which is called a president.
Answered by
1
Answer:
-5/54
Step-by-step explanation:
-7/18+8/27
=-(3×7)+(2×8)/54
=-21+16/54
=-5/54
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