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Vadim26 [7]
2 years ago
7

2/5x+10=30 a- x=100 b-x=12 c-x=50 d-x=16

Mathematics
2 answers:
garri49 [273]2 years ago
6 0

Answer:

C: x=50

Step-by-step explanation:

Sever21 [200]2 years ago
3 0

Answer:

x=50

Step-by-step explanation:

x in (-oo:+oo)

(2/5)*x+10 = 30 // - 30

(2/5)*x-30+10 = 0

2/5*x-20 = 0 // + 20

2/5*x = 20 // : 2/5

x = 20/2/5

x = 50

x = 50

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