justine200551
justine200551
12-09-2019
Mathematics
contestada
what is the answer to 5=z−4−3.
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Аноним
Аноним
12-09-2019
5=z−4−3
5=z-7
move -7 to the other side
sign changes from -7 to +7
5+7=z-7+7
5+7=z
Answer: z=12
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