Question

Responde la B y C porfaaaaa

Answer 1

    mcm = 9

x-2 + 3(x-7) = -36

x-2 + 3x-21 = -36

4x -23 = -36

4x = -36+23

4x = -13







      mcm = 12

3(2x-3) - 4(2x+3) = -12

6x - 9 - 8x -12 = -12

-2x -21 = -12

-21+12 = 2x

-9 = 2x