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Write the simplified form of (-0.5z + 0.9z) – (-0.3z + 0.9z) please help me im confused

User Pantulis
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2 Answers

6 votes

Answer:

-0.2z

Explanation:

-0.5z + 0.9z - ( -0.3z+0.9z) open paranthesis and change the sign of all terms

-0.5z + 0.9z + 0.3z - 0.9z combine terms

-0.5z+0.3z= -0.2z

User Headline
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User Sergio Alen
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