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Ganezh [65]
3 years ago
5

Solve for r 16-2r=3r+1

Mathematics
2 answers:
gladu [14]3 years ago
8 0
R=3 is the answer i used a calculator 
charle [14.2K]3 years ago
7 0
R = 3
Hope I helped, good luck!
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Evaluate the expression: (–2)2 + (–42) + (18 – 23).
marta [7]

Answer:

-51 (no options are matching)

Step-by-step explanation:

Given: (–2)2 + (–42) + (18 – 23).

we know, 2*2 = 4, and in integer multiplication if any negative integer is multiplied with positive integer, then the result will have a negative sign.

= -4 + (-42) + (18 – 23)

Here, we have open the brackets, and written the respective signs with the integers,

= - 4 - 42 - 5

now, we will perform the integer addition. Adding all the positives together & he negative numbers together

= -51

PS: It happens to be that none of the given options match with the correct answer. But, i have solved taking the expression, i hope it helps

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