Question

4x(12+28)=32 помогите пж даю 50 баллов

Answer 1

4х(12+28)=32

4х•40=32

4х=32:40

4х=0,8

х=0,2

Answer 2

$4x(12 + 28) = 32 \\ 4x \times 40 = 32 \\ 4x = 32 \div 40 \\ 4x = 0.8 \\ x = 0.8 \div 4 \\ x = 0.2$