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levacccp [35]
4 years ago
9

Solve for z:

Mathematics
2 answers:
antiseptic1488 [7]4 years ago
4 0

The first answer is 34. You just need to add 8 and 2 on one side. Then, add 24 to both sides to cancel out the -24 on the opposite side. At the same time, add z to both sides to cancel out the negative. That would lead z to equal 34.

The second question is 500. This is because 20% is 1/5 of 100%. If you multiply the 100 by 5 times, you get the 100% of that question.

Reptile [31]4 years ago
4 0
2+8-z = -24
10-z= -24
-z = -24-10
-z= -34
therefore
z=34


(20/x) ×100 = 100
20/x =1
therefore
x= 20
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