(x+340)-152=214
500+(x+140)=2056
800:y-300=500
(a+200):400=2
решите пожалуйста уравнения !!!!!!
500+(x+140)=2056
800:y-300=500
(a+200):400=2
решите пожалуйста уравнения !!!!!!
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Ответ: 1.
(x+340) - 152 = 214
x + 340 = 214 + 152
x + 340 = 366
x = 26
2.
800: y - 300 = 500
800: y = 500 + 300
y = 800: 800
y = 1
3.
500 + (x + 140) = 2056
x + 140 = 2056 - 500
x + 140 = 1556
x = 1556 - 140
x = 1416
4.
(a + 200) : 400 = 2
a + 200 = 400 * 2
a + 200 = 800
a = 800 - 200
a = 600