Odpowiedź :
a)
[tex]7x-3 = 5-x\\\\7x+x = 5+3\\\\8x = 8 \ \ /:8\\\\x = 1[/tex]
b)
[tex]2(x+4)+3 = 1-3x\\\\2x+8+3 = 1-3x\\\\2x+3x = 1-11\\\\5x = -10 \ \ /:5\\\\x = -2[/tex]
c)
[tex]5x-4 = 8+2x\\\\5x-2x = 8+4\\\\3x = 12 \ \ /:3\\\\x = 4[/tex]
d)
[tex]3(x+5)+1 = 2-4x\\\\3x+15+1 = 2-4x\\\\3x+4x = 2-16\\\\7x = -14 \ \ /:7\\\\x = -2[/tex]
e)
[tex]4x-3=3x+5\\\\4x-3x = 5+3\\\\x = 8[/tex]
f)
[tex]5x+2 = 7-3x\\\\5x+3x = 7-2\\\\8x = 5 \ \ /:8\\\\x = \frac{5}{8}[/tex]
g)
[tex]3(x-1) = 0 \ \ /:3\\\\x-1 = 0\\\\x = 1[/tex]
h)
[tex]-6(x+1) = 24 \ \ /:(-6)\\\\x+1 = -4\\\\x = -5[/tex]
i)
[tex]-7(x-2) = 3x-1\\\\-7x+14 = 3x-1\\\\-7x-3x = -1-14\\\\-10x = -15 \ \ /:(-10)\\\\x = 1,5[/tex]
j)
[tex]4(x-1) = 6(1+x) \ \ /:2\\\\2(x-1) = 3(1+x)\\\\2x-2 = 3+3x\\\\2x-3x = 3+2\\\\-x = 5 \ /:(-1)\\\\x = -5[/tex]