Respuesta :

Answer: a+(2a-1)=23

* Hopefully this helps:) Mark me the brainliest!!!

two equations
23=y+x and y=2x-1

fill in the y and solve

23= 2x-1+x
23=3x-1
+1 +1
24=3x
÷3. ÷3
8=x

fill in the second equation for y

y =2x-1
y=2(8)-1
y=16-1
y=15