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¹/₇=-x
x=-¹/₇
4x-5=3x-1
x-5=-1
x=4
4+2x=2+x
4+x=2
x=-2
1¾+x=3¼
x=1½
3x-2x=-1/7
x=-1/7
4x-5=3x-1
4x-3x=-1+5
x=4
4+2x=2+x
2x-x=2-4
x=-2
1¾+x=3¼
x=2i5/4-1i3/4
x=1i2/4
x=1i1/2
¹/₇ = 2x -3x
¹/₇ = -1x / (-1)
x = - ¹/₇
b) 4x-5=3x-1
4x - 3x = -1 +5
x = 4
c)4+2x=2+x
2x - x = 2 - 4
x = -2
d)1¾+x=3¼
x = 3¼ - 1¾
x = 1,5