newyork21411 newyork21411

23-01-2018
Mathematics

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

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choixongdong choixongdong

23-01-2018

z−7.8=32.9
add 7.8 to both sides
z−7.8 + 7.8 = 32.9 + 7.8
simplify
z = 40.7

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Kaikerscupcake Kaikerscupcake

23-01-2018

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

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