Answer:
z=13
Step-by-step explanation:
Caue x=4 become x=11 add 7 then y=19 become y=15 subtract 4 then 7-4=3 add 3 in 10 because they are in correct order addition=x and z then subtract y.
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Answer:
z=13
Step-by-step explanation:
Caue x=4 become x=11 add 7 then y=19 become y=15 subtract 4 then 7-4=3 add 3 in 10 because they are in correct order addition=x and z then subtract y.