khemtimsina khemtimsina
  • 30-10-2014
  • Mathematics
contestada

3x-7= 5x-19 justify the each step

Respuesta :

malloryR malloryR
  • 30-10-2014
1. add a negative 5x to both sides
2. add seven to both sides
3. there is your answer.
Answer Link
5632 5632
  • 30-10-2014
3x-7=5x-19
-3x   -3x
-7=2x-19
19     +19
12=2x
/2   /2
6=x
Answer Link

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