Question

Simplifique as expressões algébricas a seguir:

a) 12xy + 7xy - 2xy
b) - 2n + 5 - 3n
c) 3(5a - b) + a + 2b
d) p - 2 + 2p + 5p

Answer 1

a) 17xy
b)-5n+5
c)15a-3b+a+2b=16a-b
d)8p-2