Question

решите уравнение
3.890+х=9.007+1.998

Answer 1

3.890+x=9.007+1998
3.890+x=11.005
x=11.005-3.890
x=7115

Answer 2

3.890+х=9.007+1.998
3.890+х=11.005
x=11.005-3.890
x=7.115