Answer:
12.5
Explanation:
2x+34=4(x+5)
2x+34=4x+9
*2x -2x
34=2x+9
34-9
25=2x
25/2
7=x
2x+34=4x+20
-2x -2x
34=2x+20
-20 -20
14=2x
/2 /2
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