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What is the value of z in the equation z−7.8=32.9 ?

What is the value of z in the equation z−7.8=32.9 ?
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What is the value of z in the equation z−7.8=32.9 ?

User Phelhe
by
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2 Answers

5 votes
z-7.8= 32.9

Try to get z all by itself. Do the inverse of subtraction (addition) to the other side.

z= 40.7

I hope this helps!
~kaikers
User Avi Tsadok
by
8.5k points
4 votes
z−7.8=32.9
add 7.8 to both sides
z−7.8 + 7.8 = 32.9 + 7.8
simplify
z = 40.7
User Angel Todorov
by
7.8k points
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