Question

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(10 - 2,1х) : 1,37 = 5

Answer 1

(10 - 2,1x) : 1,37 = 5
10 - 2,1x = 5 * 1,37
10 - 2,1x = 6,85
2,1x = 10 - 6,85
2,1x = 3,15
x = 3,15 : 2,1
x = 1,5