Question

resolva as equações : a) 4x+6= 14 , b) x/5-3=0 ,c) 2x-5=3 , d) 6x-10=8 , e) x+5=4, x+3=0, g) 6x=2, h) x/2+1=2x​

Answer 1

Resposta:

Explicação passo-a-passo:

a)  4x+ 6 = 14

4x = 14-6

x= 8/4

x= 2

b) x/5 -3 = 0

x-15= 0

x= 15

c) 2x-5=3

2x= 5+3

2x= 8

x=8/2

x= 4

d) 6x-10= 8

6x= 10+8

6x =18

x= 18/6

x=3

e) x+5= 4

x= - 1

e) x+3=0

x= -3

f) 6x=2

x= 2/6

h) x/2 + 1=2x

x+2=4x

-3x= -2

x= -2/ -3

Answer 2

Olá, tudo bem?

a) X >>> 2

$4x + 6 = 14 \\ 4x = 14 - 6 \\ 4x = 8 \\ x = 8 \div 4 \\ x = 2$

b) X >>> 15

$\frac{x}{5} - 3 = 0 \\ \\ \frac{x}{5} = 3 \\ \\ x = 3 \times 5 \\ x = 15$

c) X >>> 4

$2x - 5 = 3 \\ 2x = 3 + 5 \\ 2x = 8 \\ x = 8 \times 2 \\ x = 4$

d) X >>> 3

$6x - 10 = 8 \\ 6x = 8 + 10 \\ 6x = 1 8 \\ x = 18 \div 6 \\ x = 3$

e) X >>> -1

$x + 5 = 4 \\ x = 4 - 5 \\ x = - 1$

f) X >>> -3

$x + 3 = 0 \\ x = - 3$

g) X >>> 1/3

$6x = 2 \\ x = \frac{2}{6} = \frac{1}{3}$

h) X >>> 2/3

$\frac{x}{2} + 1 = 2x \\ \\ x + 2 = 4x \\ x - 4x = - 2 \\ - 3x = - 2 \\ 3x = 2 \\ x = \frac{2}{3}$

Espero ter ajudado :-) Bons estudos.