Question

if a=2y-10 and g=y+20 find a and b​

Answer 1

Answer:

correct answer

Step-by-step explanation:

a=2y-10 and g=y+20

::: 2y-10

: + y+20

put y =1

2y - 10

+ 1. + 20

_______

1y. = -10

y= -10/1

y=10 form 1

b= 1

put y. in equation 1

a=2y-10

a=2(1)-10

a=2-10

a=-8

solution (a,b)=. (1,-8)