Question

Answer 1

a: =>1/4x=5/8-3/4=5/8-6/8=-1/8

=>x=-1/2

b: =>1/4x+x=-1,25

=>5/4x=-5/4

hay x=-1

Answer 2

a. \(\dfrac{3}{4}+\dfrac{1}{4}.x=\dfrac{5}{8.}\Leftrightarrow\dfrac{1}{4}.x=-\dfrac{1}{8}.\Leftrightarrow x=-\dfrac{1}{2}.\)

b. \(25\%.x+x=-1,25.\) \(\Leftrightarrow\dfrac{1}{4}.x+x=-1,25.\Leftrightarrow\dfrac{5}{4}.x=-1,25.\Leftrightarrow x=-1.\)