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2x= -13 +3
2x= -10 /:2
x= - 5
c) -7=5x+1
-5x= 7+1
-5x= 8 /: (-5)
x= - 8/5
2x= 3 - 13
2x= - 10 /:2
x = -5
2x=3-13
2x=-10 I:2
x=-5
c)-7=5x+1
-5x=1+7
-5x=8I:-5
x=-1,6
d)7x-21=5x
7x-5x=21
2x=21I2
x=10,5
e)6y-13=-52
6y=-52+13
6y=-39I:6
y=-6,5
f)4x-4=3
4x=3+4
4x=7I:4
x=1,75
g)3c+2=-70
3c=-70-2
3c=-72I:3
c=-24
h)33-4x=4x
-4x-4x=33
-8x=33I:-8
x=4,125
i)5-10x=-2x
-10x+2x=5
-8x=5I:-8
x=0,625
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