Answer:
x=8
Explanation:
3x - 15 = 17 - x
add x to both sides:
3x + x - 15 = 17 - x + x
4x - 15 = 17
Add 15 to both sides:
4x + 15 - 15 = 17 +15
4x = 32
Divide both sides by 4:
x = 8
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