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son4ous [18]
3 years ago
13

#6 from the paper please

Mathematics
2 answers:
BabaBlast [244]3 years ago
6 0

Answer:

EK = 9

Step-by-step explanation:

x + 11 = -5 + 2x -5 + 2x

x+11 = -10 + 4x

11 = 3x - 10

3x = 21

x = 7

EK =-5 + 2 × 7

EK = 14 - 5

EK = 9

notka56 [123]3 years ago
5 0

Answer:EK=7

Step-by-step explanation: 2(-5+2x)=x+11

                                           -10+4x=x+11

                                                  -x    -x

                                              -10+3x=11

                                              +10        +10

                                            3x=21

                                            x=7

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