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dsp73
2 years ago
13

lign="absmiddle" class="latex-formula">
Mathematics
2 answers:
RSB [31]2 years ago
5 0

Answer:

z = 5

Step-by-step explanation:

simplify

5/(z-25) first

turning it into

((0 - 3/z) + 7/4z) - 5/(z - 25) = 0

then simplify 7/4z

((0 - 3/z) + 7/4z) - 5/(z-25) = 0

when the fractions denominator is 0 then the numerator must be 0

turning the equation into

-25  *  (z - 5)  = 0

solve

-25   =  0

something that is not zero cannot equal zero.

z - 5 = 0

5 - 5 = 0

z = 5

hope this helps:)

ycow [4]2 years ago
4 0

Answer:

z = 1/4

Step-by-step explanation:

See attached image

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