Question

Resolva as seguintes equações, sendo U = Q . Me ajudemmmm

Answer 1

A) x/4-x/6=3 (MMC = 12)
3x-2x=36
x=36

B)3x/4-4x=5 (MMC=12)
9x-4x=60
5x=60
x=12

C)x/5-1=9 (MMC=5)
x-5=45
x=45+5
x=50