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Ad libitum [116K]
2 years ago
15

10x - 3(4x + 1)

Mathematics
2 answers:
BlackZzzverrR [31]2 years ago
8 0
You can’t combine a number with a variable and a number without a variable

-2x-3
seraphim [82]2 years ago
3 0

Answer:

See below for answers and explanations

Step-by-step explanation:

<u>Part A</u>

10x - 12x - 3 does not equal -5x. Looks like what she did wrong was treating -3 as -3x and got her incorrect result that way

<u>Part B</u>

10x - 12x - 3 = (10-12)x - 3 = -2x - 3

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