Answer:
5) 7
6a) no
6b) yes
Explanation:
5)
add 10 to both sides then divide by 5 to isolate the Z
6a) the actual answer is 4F + 12
you don't add 4 you multiply
6b) That is the answer
You see which number is the greatest common factor (GCF)
5.)Z=7
Check:
6.) False
True
5z-10=25
5z-10+10=25+10
5z=35
5z/5=35/5
z=7
5(7)-10=25
35-20=25
25=25
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