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19 + 7 = 26
7 + 19 = 26
4x plus 7 plus 3x equals 19 plus xx = 2
19
4 - 7 + 14 + 2 - 19 + 6 = 0
2n + 19 = -7 2n = -7 - 19 2n = -26 n= -13
43 7+12=19 19+24=43
19+-26 = 19 - 26 = -7
55
7 + 3 x 4 =7 + 12 = 19
It means: 9 times (19 -16) +7 = 34
if 3x+5=x+19 then x=7