bubbles100 bubbles100
  • 10-05-2018
  • Mathematics
contestada

Why’s the value of x in the linear equation below ?
4+3x -ax = 9-7x + bx

Respuesta :

altavistard
altavistard altavistard
  • 15-05-2018
Collect all the x terms on the left side and all those terms without x in them on the right side:

4+3x -ax = 9-7x + bx   =>   x(3 - a + 7 - b) = -4 + 9

Then:

                  5
x = ---------------  (answer)
        10 - a - b
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