Question

2 x X + 9,5 = 12,5

Answer 1

2 × x + 9,5 = 125

2 × x = 12,5 - 9,5

2 × x = 3

x = 3 : 2

x = 1,5

Answer 2

2 × x + 9,5 = 12,5

=> 2 × x = 12,5 - 9,5 = 3

=> x = 3 ÷ 2

=> x = 1,5