Question

calcule o valor de x a) x+10° 8+20 x b) 6x+30° 2x10° c)3x 3x 2x+20 d) 7x 5x+82° HELPP!
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Answer 1

Olá Pedro!!!

a) x+10° 8+20 x

=(x+100000000)+20x=  

=21x+100000000

b) 6x+30° 2x10°

=6x+(30)2x1=  

=6x+(30)2x=

=6x+900x=

=906x

c)3x 3x 2x+20

=3x5x+20=  

=3x6+20

d) 7x 5x+82°

=7x6+1