Question

помогите решить уравнение
5х+3 (х-2) равен 10

Answer 1

5x+3(x-2)=10; 5x+3•x-3•2=10; 5x+3x-3•2=10; 5х+3х-6=10; 8х-6=10; 8х=10+6; 8х=16; х=16:8; х=2.