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ad-work [718]
3 years ago
8

Need Very Soon Will Give Brainliest!!!!!

Mathematics
2 answers:
morpeh [17]3 years ago
6 0

The like terms are:

12x and 8x - they have the same variables

8, 55, 3, and 180 - they are all regular numbers (if you know what I mean)

astra-53 [7]3 years ago
3 0

Answer:

P = 80 degrees and R = 45 degrees

Step-by-step explanation:

first simplify: 20x + 60 = 180

                              20x = 120

                                   x = 6

next plug in 6 for each equation: 12(6) + 8 = 80  

                                                         8(6) - 3 = 45

finally check to see if the answer is correct: 55 + 45 + 80 = 180

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