I wont solve this because Im to lazy, but I do recommend some of these sites to help you with your problem. MathPapa Algebra Calculator and PhotoMath. Hope this helps.
Answer:

Step-by-step explanation:

Simplify:

Move 5c to the other side:

Divide bother sides with AC:

Simplify:

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Answer:150
Step-by-step explanation:50 + 100=150 150 - 300=150
The value of x is 72
Each side increased by 20%