Реши уравнение.x*70+8219=639619

Question

Реши уравнение.x*70+8219=639619

Answer 1

X•70+8219=639619
x•70=639619-8219
x•70=631400
x=631400:70
x=9020
проверка
9020•70+8219=639619
639619=639619

Answer 2

70x = 639619 - 8219
70x = 631400
x = 631400 / 70
x = 9020