Question

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Answer 1

hola solamente sumas los x facil tambien los b,a

Answer 2

Explicación paso a paso:

a)3x+2x+x

3x+2x+1x

(3+2+1)x

R= 6x

b)10x-6x+2x

10x-12x

R= -2x

c)5a-7a+3a

(5-7+3)a

1a

R= a

d)a-5a+2a

1a-5a+2a

(1-5+2)a

R= -2a

e)-2x+9x-x

-2x+9x-1x

(-2+9-1) x

R = 6

f)-5x-2x+4x

(-5-2+4)x

R= -3x