Question

Resuelve:
· 9x +3 = 5x -1
·7-8x =2 x-3
·2x -6 =16-9x
·6+5x = 9-3x

Answer 1

4×= -1-3
4×=-4
×= 1
la primera

Answer 2

La primera

9x+3-5x+1=0

4x+4=0

X= 4/4

X= 1

La segunda

7-8x-2x+3=0

-10x-10=0... ×(-1)

10x+10= 0

X= 10/10

X= 1