Question

a) x-5=-7 b) y-6=5y+8 c) 10x=20+9x d) 2x+5-x=5-3x contas completas prfv

Answer 1

a)x-5=-7
x=-7+5
x=-2

b)não sei

c)10x=20+9x
10x-9x=20
x=20

d)2x+5-x=5-3x
2x-x+3x=5-5
3x+3x=0
6x=0
x=0/6

Espero ter ajudado!!!☆☆☆

Answer 2

Olá Bom Dia!!!

a)

x-5= -7

x= -7+5

x= -2

b)

y-6=5y+8

y-5y= 8+6

-4y= 14

y= -14/4

y= -7/2

c)

10x= 20+9x

10x-9x= 20

x= 20

d)

2x+5-x= 5-3x

2x-x= -3x

x+3x= 0

4x= 0

x= 0

Espero Ter Ajudado!!!Bons Estudos!!!