Answer:
x=4
Explanation:
RS + ST = RT
5+ 2x-2 = 3x-1
Combine like terms
2x+3 = 3x-1
Subtract 2x from each side
2x+3-2x = 3x-1-2x
3 =x-1
Add 1 to each side
3+1 = x-1+1
4=x
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