angie75436 angie75436
  • 26-08-2020
  • Mathematics
contestada

Simplify each expression by combining like
terms.
21a + (-18b) - 6a + 1lb

Respuesta :

victorbanjo1212 victorbanjo1212
  • 26-08-2020

Answer:

My answer is

21a-18b-6a+11b.

which is 21a-6a-18b+11b.

=15a-7b.

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