Answer :
x(2x)=128
2x^2=128
2x^2/2=128/2
x^2=64
x=8
8/2=4
Half of your number should be 4
Hope this helped
2x^2=128
2x^2/2=128/2
x^2=64
x=8
8/2=4
Half of your number should be 4
Hope this helped