Question

Select all the equations where z=5z= is a solution. 3answers

a. 8=z+3
b. z−1=6
c. 20=40÷z
d 12z=60
e. 12+z=17

Answer 1

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(a) $=> 8 = z+3$

$=> z+3 = 8$

$=> z = 8-3$

$=> z = 5$

(b) $=> 12z = 60$

$=> z = 60/12$

$=> z = 5$

(e) $=> 12 + z = 17$

$=> z = 17 - 12$

$=> z = 5$

Answer 2

Answer:

a. 8=5z+3

8-3=5z

5=5z

z=1 ans.