Question

SOMEBODY PLEASE HELP ME IN GEOMETRY

Answer 1

1

Explanation:

7x-1+2x-1=7

9x=9

x=1

Answer 2

x=1

Explanation:

RS + ST = RT

7x-1 + 2x-1 = 7

Combine like terms

9x-2 = 7

Add 2 to each side

9x-2+2 = 7+2

9x= 9

Divide by 9

9x/9 = 9/9

x = 1