Question

X+320=80*7 x-180=240:3 400-x=275+25 ПАМАГИЬТЕ СРОЧНО НОДО

Answer 1

1) Х+320=80*7, х+320=560, х=560-320, х=240. 2) х-180=240:3, х-180=80, х=80+180, х=260. 3)400-х=275+25, 400-х=300, -х=300-400, х=100