Question

resolva as equações:

a) x + 9 = -13

b) 3x = -18

c) 5x - 1 = 9

d) x - 3 = -8

e) 2x =15

f) 2x -5 = x + 1

g) 6x = 2x + 16

h) 2.(x-5) = x + 1​

Answer 1

Explicação passo-a-passo:

a) x+9 = -13

x = -13-9

x = -22

b) 3x = -18

x = -18/3

x = -6

c) 5x-1 = 9

5x = 9+1

5x = 10

x = 10/5

x = 2

d) x-3 = -8

x = -8+3

x = -6

e) 2x = 15

x = 15/3

x = 7,5

f) 2x-5 = x +1

2x-x = 1+5

x = 6

g) 6x = 2x+16

6x-2x = 16

4x = 16

x = 16/4

x = 4

h) 2(x-5) = x+1

2x-10 = x+1

2x-x = 1+10

x = 11

Espero ter ajudado