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-4z+2=102 i dont understand this
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2 votes
-4z+2=102 i dont understand this

User Talissa
by
7.4k points

2 Answers

6 votes
z=-25

102-2=100

100÷(-4)=-25
User Paul Preibisch
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8.2k points
3 votes
-4z + 2 = 102 Given
-4z = 100 Subtract 2 from both sides
z = -25 Divide both sides by -4

Answer:
z = -25
User Alecswan
by
9.1k points
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