Question

simplifique as expressões algébricas abaixo.Alguém me ajude por favor

Answer 1

a-) 9x+12y-3y-5x = 9x-5x+12y-3y = 4x+9y

b-) 4a-2b-7a+4b = 4a-7a-2b+4b = -3a+2b

c-) 14x-2k-3x-6k = 14x-3x-2k-6k = 11x-8k

d-) 13a+8x-2a+3x = 13a-2a+8x+3x = 11a+11x

e-)8x+5x-13x = 13x-13x = 0