Question

a) 5x - 2 = 8

b) 2x + 1 = 15

c) 6x - 3 =9

d) 5x - 2 = 23

e) 3x + 1 = (acho q 77)

f) 3x - 2 = 19

g) 4x + 1 = 33

Answer 1

$a)5x - 2 = 8 \\ 5x = 8 + 2 \\ 5x = 10 \\ x = \frac{10}{5} \\ x = 2$
$b)2x + 1 = 15 \\ 2x = 15 - 1 \\ 2x = 14 \\ x = \frac{14}{2} \\ x = 7$
$c)6x - 3 = 9 \\ 6x = 9 + 3 \\ 6x = 12 \\ x = \frac{12}{6} \\ x = 2$
$d)5x - 2 = 23 \\ 5x = 23 + 2 \\ 5x = 25 \\ x = \frac{25}{5} \\ x = 5$
$e)3x + 1 = 79 \\ 3x = 79 - 1 \\ 3x = 78 \\ x = \frac{78}{3} \\ x = 26$
$f)3x - 2 = 19 \\ 3x = 19 + 2 \\ 3x = 21 \\ x = \frac{21}{3} \\ x = 7$
$4x + 1 = 33 \\ 4x = 33 - 1 \\ 4x = 32 \\ x = \frac{32}{4} \\ x = 8$

Answer 2

a)
5x -2 = 8
5x = 8 +2
5x = 10
X = 10/5 = 2

b)
2x +1 = 15
2x = 15 -1
2x = 14
X = 14/2 = 7

c)
6x -3 = 9
6x = 9 +3
6x = 12
X = 12/6 = 2

d)
5x -2 = 23
5x = 23 +2
5x = 25
X = 25/5 = 5

e)
3x +1 = 77
3x = 77 -1
3x = 76
X = 76/3

f)
3x -2 = 19
3x = 19 +2
3x = 21
X = 21/3 = 7

g)
4x +1 = 33
4x = 33 -1
4x = 32
X = 32/4 = 8

Espero ter ajudado :)