Question

Simplifique as expressões algébricas:

A) 2a+5-3a-15
B) 5 (x-3)
C) 7x-1+8x
D) 5x-(2x+30)-x+10
E) 8y+(x-9y)-4x

Answer 1

a) 2a-3a+5-15= -a-10
b)5x-15
c)7x+8x-1= 15x-1
d)5x-2x-x-30+10= 2x-20
e) 8y-9y+x-4x=-y-3x