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17.10.2020 •
Mathematics
4. Complete the following two-column proof.
Given: 5x - 2 = -12
Prove: x = -2
help please.
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Ответ:
x does equal -2
Step-by-step explanation:
Substitue x = -2:
[5(-2) -2 = -12]
Simplify:
[-10-2 = -12]
Add/Subtract from left to right:
[-12 = -12]
Therefore:
x = -2
Ответ:
A. More than one half of Maria's monthly income is spent on rent
Reason being her income is 2,000. Her rent is only 900, which is less than half of 2,000, which is 1,000.