Question

(2.61-4x):0.03+4.6 равно 90

Answer 1

(2.61-4x):0.03+4.6 =90

(2.61-4x):0.03= 90-4,6

(2.61-4x):0.03=85,4

2.61-4x=85,4*0,03

2,61-4х=2,562

4х=2,61-2,562

4х=0,048

х=0,048:4

х=0,012