Question

Please help with with number 3,4 and e-g please and also explain how you got the answer

Answer 1

e: 1/2 x (2)=8*2 x=16
f:(-4/3)(-3/4 x)=9(-4/3) x=-36/3= -12 x=-12
g(-8/7)(-7/8 x)=(-8/7)(-21/64) Cross simplify and you get 3/8 x=3/8