Question

simplifique as expressoes algebricas em seu caderno α)4(x-1)+3(x+1) b)-2(2x-4)+5(-2x-10) c)2/5(x-0,2)-1/2(3x-4/25)

Answer 1

a)  4x-4+3x+3
     7x-1

b)  -4x+8-10x-50
     -14x-42

c)  2/5x - 4/50 - 3/2x + 4/50
     2/5x - 3/2x
     -11/10x   ou   -1,1x