как найти корень уравнения : 14х + 5х = 608; 53х - 26х = 1863 ; х + 21х = 1144 ; 19х - x - 14 = 256; 6y + 11y + 15 = 321; 17x - 8x - 52 = 2711.
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19x=608
x=608:19
x=32
2)53x-26x=1863
27x=1863
x=69
3)x+21x=1144
22x=1144
x=52
4)19x-x-14=256
18x=256+14
18x=270
x=15
5)6y+11y+15=321
17y=306
y=18
6)17x-8x-52=2711
9x=2763
x=307