Question

х+(х+70)+х+(х+70)=360​

Answer 1

Ответ:

x = 55

Пошаговое объяснение:

x + (x + 70) + x + (x + 70) = 360

x + x + 70 + x + x + 70 = 360

4x + 140 = 360

4x = 360 - 140

4x = 220

x = 220 / 4

x  = 55

Answer 2

х+х+70+х+х+70=360
4х+140=360
4х=360-140
4х=220
х=220/4
х=55