Question

Hallar el valor de la incógnita PLIS HELP:((​

Answer 1

-x+15=-2x+5x-5
-x+2x-5x=-5-15
X-5x=-20
-4x=-20
X=-20/-4
X=5

2A+1=3A+3
2A-3A=3-1
-A=2
A=-2

2(2x+1)=2-10+6x
4x+2=2-10+6x
4x-6x=2-10-2
-2x=-8-2
-2x=-10
X=-10/-2
X=5

3y-2=5^2
3y-2=25
3y=25+2
3y=27
Y=27/3
Y=9