3 years ago

Which of the following is the solution to the equation 25(z + 2) = 125 ?

Mathematics

2 answers:

Maru [420]3 years ago

5 0

25z+50=125
25z=75
z=3
actually z should be equal 3 ....

solong [7]3 years ago

5 0

To solve the equation above, we have to isolate the variable z on one side and transpose all other value to the other side. We solve as follows:

25(z + 2) = 125
1/25(25(z + 2) = 125)
z + 2 = 125/25 = 5
z + 2 - 2 = 5 - 2
z = 3

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