Question

mostre a equação e resolva​

Answer 1

1- a) 3x = 250 + x

3x - x = 250

2x = 250

x = 250/ 2

x = 125

b) 2x + 5 = 13

2x = 13 - 5

2x = 8

x = 8 / 2

x = 4

2- a) 18x -43 = 65

18x = 65 + 43

18x = 108

x = 108/ 18

x = 6

b) 23x - 16 = 14 - 17x

23x+ 17x = 14 + 16

40x = 30

x = 30/40

x = 0,75

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