Answer:
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Explanation:

Move 4.5x to left hand side and change its sign.
Similarly, move 10 to right hand side and change its sign.
⇒

Subtract 4.5x from 6.5x
⇒

Add the numbers: 6 and 10
⇒

Divide both sides by 2
⇒

Calculate
⇒

Hope I helped!
Best regards!
~
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