Question

x-(x-0.3)+1.2=4.7 пж помогите очен надо

Answer 1

x-(0.3x)+1.2=4.7
x+0.3x+1.2=4.7
1.3x+1.2=4.7
1.3x=4.7-1.2
1.3x=3.5
x= 3.5÷1.3
x=35÷ 13
10 10

x= 35× 10
10 13

x=35× 1
13

x= 35
13