(2.61-4х):0.03+4.6=90

Question

(2.61-4х):0.03+4.6=90

Answer 1

(2,61-4х):0,03+4,6=90

2,61-4х : 0,03 = 90 - 4,6

2,61-4х : 0,03 = 85,4

2,61-4х = 85,4 * 0,03 

2,61-4х = 2,562

4х = 2,61 - 2,562

4х = 0,048

х = 0,048 : 4

х = 0,012