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23-03-2020
Mathematics

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Which is a solution to the equation 3x2 + 2x − 20 = 2x2 + 15?
A) −12
B) −7
C) −5
D) 2

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tosinmilejoyceafo tosinmilejoyceafo

23-03-2020

Answer:

33/2

Step-by-step explanation:

6+2x -20= 2×2 +15

-14+2x=19

add 14 to both sides

2x=33

divide 2 in both sides

x=33/2

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