Question

Respondam essas equações:
A)x/2+1/3=4
B)-x/2-x/3=2/3
C)4•(x+1)/3-3•(x-1)/2=1/2

Answer 1

a) x/2+1/3=4
6.x/2+6.1/3=6.4
3x+2=24
3x=24-2
3x=22
x=22/3

b)-x/2-x/3=2/3
-3x-2x/6=2/3
-5x/6=2/3
-5x/6=2/3
-15x=12
x=-12/15
x=-4/5