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Which is the simplified form of r-7+5-black12?

A. r - 24
B. r - 14
C. r + 10
D. r - 12

1 Answer

5 votes

Final answer:

The simplified form of the expression r-7+5-12 is r - 14, achieved by combining the constants, which is option B r - 14.

Step-by-step explanation:

The simplified form of the given expression r-7+5-12 is obtained by combining the like terms. Since -7, +5, and -12 are all constants, we can add and subtract them. The expression simplifies as follows:

r + (-7 + 5 - 12)

r + (-7 + 5) + (-12)

r + (-2) + (-12)

r - 2 - 12

r - 14.

Therefore, the correct option is B. r - 14.

User Nikolay Osaulenko
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