galvezdavid galvezdavid

10-01-2022
Mathematics

contestada

Find the missing number so that the equation has infinitely many solutions.

3( –x – 7) + x + 5 = – 4(5x + 4)

Respuesta :

ashish4112119 ashish4112119

13-01-2022

equation has infinitely many solutions has the same number on both sides of the equal sign

-3x -21 + x + 5 = -20x -16

-2x -16 = -20x -16

so either you have -18x on the left or +18x in the right

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Somebody help me please