Solve for r. 23 = r + 11

r=

Please help me and tell me quickly and explain how you solve for r PLEASE

r = 12

Step-by-step explanation:

23 = r + 11

23 - 11 = r

r = 12

in english this is

ex.15 pag.85 create. write in ten lines the continuation of the ballad of the five motanasi, using verbs to the imperfect and to the perfect compound. five stars

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answer:

at time x=0 we have 1000, at time x=1 we have 2000, at time x=2 we have 4000.  

so that's an initial value of 1000 and a ratio of 2,

y = 1000 (2^x)

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