1.
a)
[tex] - 8 + x = 27 \\ x = 35[/tex]
b)
[tex]16 - x = 5 \\ - x = - 11 \\ x = 11[/tex]
c)
[tex]x - 37 = 14 \\ x = 51[/tex]
d)
[tex]6x = 15 \\ x = 2.5[/tex]
2.
a)
[tex]3x + 8 = 35 \\ 3x = 27 | \div 3 \\ x = 9[/tex]
b)
[tex]16 - 2x = 9 \\ - 2x = - 7 | \div ( - 2) \\ x = 3.5[/tex]
c)
[tex]0.2x + 18 = 20 | \times 10 \\ 2x + 180 = 200 \\ 2x = 20 | \div 2 \\ x = 10[/tex]
