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16-10-2020
Mathematics

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4. Complete the following two-column proof.
Given: 5x - 2 = -12
Prove: x = -2

help please.

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Ffelecity Ffelecity

16-10-2020

Answer:

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

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