Question

Помогите решить уравнение:
x-26=70
x+26=70
x-45=90
x+45=90

Answer 1

1)х-26=70, х=70+26, х=96, 96-26=70, 70=70; 2)х+26=70, х=70-26, х=44, 44+26=70, 70=70; 3)х-45=90, х=90+45, х=135, 135-45=90, 90=90; 4)х+45=90, х=90-45, х=45, 45+45=90, 90=90.