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podryga [215]
3 years ago
9

3x + 43 = 4x + 2(4 + 2)

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
5 0

Answer:

x = 31

Step-by-step explanation:

3x+43=4x+2(4+2)\\\\\rightarrow 2*4=8\\\rightarrow 2*2=4\\\\3x+43=4x+8+4\\\\3x+43=4x+12\\\\3x+43-43=4x+12-43\\\\3x=4x-31\\\\3x-4x=4x-31-4x\\\\-x=-31\\\\\frac{-x}{-1}=\frac{-31}{-1}\\\\\boxed{x=31}

fiasKO [112]3 years ago
3 0

Answer:

x=31

Step-by-step explanation:

first we simlify to get the simplist equation. 3x + 43 = 4x + 12. then 4x - 3x equalls and 43 - 12 equals 31.    

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