Question

resolver
4y+8=6y-18
9x+3=4x-9
6z+2=4-3z
4/3x+2/5=3/4-2/5x

Answer 1

4y+8=6y-18
4y-6y= -18-8
-2y= -26
y= 26/2
y= 13

9x+3=4x-9
9x-4x= -9-3
5x= -12
x= -12/5

6z+2=4-3z
6z+3z= 4-2
9z= 2
z=2/9

4/3x+2/5=3/4-2/5x
4/3x+2/5x=3/4-2/5
20+6/15x= 15-8/20
26/15x= 7/20
x=7/20 /26/15
x= 21/104