Question

simplifique as expressoes algebricas: Letra A: 9x-5+6-2x letra B: 5x +8-3x+1 letra C: 3×(2×)+7× Letra D: 2×(5+3×) +3.(5×-4) me ajudem por favor

Answer 1

a)
= 9x - 5 + 6 - 2x
= 9x -2x +6-5
= 7x +1

b)
= 5x + 8 -3x +1
= 5x - 3x +8+1
= 2x + 9

c)
= 3.(2x)+7x
= 6x + 7x
=13x

D)
= 2.(5 + 3x) + 3.(5x - 4)
= 10 + 6x + 15x - 12
= 6x + 15x -12+ 10
= 21x - 2