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olya-2409 [2.1K]
3 years ago
12

Mary is solving the equation: 3(x + 4)= 7x - 20. The first thing she does is rewrite the equation shown below. Which property di

d Mary use to get from the original equation to her rewritten equation? 3x + 12= 7x - 20. Please explain your answer to the question and start operations used to describe the property choice.

Mathematics
1 answer:
Greeley [361]3 years ago
3 0

Answer:

3(x + 4) = 7x - 20

3x + 12 = 7x - 20

x = 8

36 = 36

Step-by-step explanation:

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