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konstantin123 [22]
3 years ago
13

Is 3x + 12 - 2x equivalent to x + 12? Use two properties of operations to justify your answer.

Mathematics
1 answer:
mixer [17]3 years ago
7 0
3x+12-2x=x+12
3x-2x+12=x+12
1x+12=x+12
x+12=x+12

treu
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