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17-10-2019
Mathematics

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If 2x - 7 = 4x + 15, then x = -11

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Аноним Аноним

17-10-2019

2x - 7 = 4x +15

2(-11)-7= 4(-11)+15

do the brackets first

(2)(-11)= -22

(4)(-11)= -44

-22-7= -44+15

-29= -29

Answer:

All real numbers

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