Question

Решить уравнения (х+115)-25=705; 178-(96+х)=75; (х+853)-53=900; (х+275)-275=384

Answer 1

1)х+115-25=705
х=705+25-115
х=615
2)178-96-х=75
-х=75+96-178
-х=-7
3)х+853-53=900
х=900+53-853
х=100
4)х+275-275=384
х=384+275-275
х=384

Answer 2

(x+115)-25=705
x+115-25=705
x+90=705
x=705-90
x=615