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nlexa [21]
3 years ago
13

What is the answer to this equation 42 =7(z-3)

Mathematics
2 answers:
7nadin3 [17]3 years ago
6 0
The answer is 42= 7(9-3), z would be 9
GalinKa [24]3 years ago
5 0
42= 7(z-3)
divide both sides by 7 to get rid of it: 
6=z-3
add 3 on both sides
6+3=z

z=9
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