Answer:
Z=-1.5
Explanation:
(Z+5)2=7
2z+10=7 distribute the 2 to z & 5
-10 -10
2z=-3 divide both sides by 2
Hope this helps!
-1.5
(z+5)2=7
distribute the 2
2x5=10
2x Z= 2z
2Z+ 10=7
subtract 10 on both sides
2z= -3
divide
-3 divided by 2 equals -3/2
decimal form=
hope it helped
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