Question

93 RESUELVE LAS ECUACIONES
a) 1- 2x-5/40 = - 4x-7/10 + 2/3x
b) 2/3(2x-1) - 4/5 (x-3)= 1/2x-2
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Answer 1

a) 1- 2x-5/40 = - 4x-7/10 + 2/3x 
 
-2x + 4 - 2/3x = 5/4 - 7/10 - 1
 4/3x = 1/10
 x = 1/10/4/3
 x = 3/40

b) 2/3(2x-1) - 4/5 (x-3)= 1/2x-2 
 
 4/3x - 2/3 - 4/5x + 12/5 = 1/2x - 2
 4/3x - 4/5x - 1/2x = 2/3 - 12/5 - 2
 11/10x = - 56/15
 x = -56/15/11/10
 x = 560/165
 x = 112/33