Question

É 25 PONTOS!
Equação .com cálculo !
a) 5x- 2= -3x +7+6
b) 7x-1= 13
c) 6x = 2x+28
d) 5x-2= 18+3x
e) 6x-10= 2x+14
f) 12x - 4= 10x+3

Answer 1

a) 5x+3x= +7+6+2
 8x = 15
x= $\frac{15}{8}$

b)7x=14
x= 14/7= 2

c) 4x=28
x=28/4=7

d)2x=20
x=20/2=10

e)4x=24
x=24/4=6

f)2x= 7
x= 7/2= 3,5

Answer 2

Resposta:

a) 5x+3x= +7+6+2

8x = 15

x=  

b)7x=14

x= 14/7= 2

c) 4x=28

x=28/4=7

d)2x=20

x=20/2=10

e)4x=24

x=24/4=6

f)2x= 7

x= 7/2= 3,5

Explicação passo-a-passo:

S2