Question

resolva as equações : a) x/2=8, b) x/2 = -8 , c) 3x/4 = 9 e d) 2x/3 = -10

Answer 1

a)
x/2=8
x=8*2
x=16
b)
x/2=-8
x=-8*2
x=-16
c)
3x/4=9
3x=4*9
3x=36
x=36/3
x=12
d)
2x/3=-10
2x=-10*3
2x=-30
x=-30/2
x=-15