Question

find the value of unknown variable 7x=56²-49²​

Answer 1

Answer:

x=105

Step-by-step explanation:

the above picture gives the explanation

Answer 2

Answer

Here's your answer ...

Explanation

7x=56²-49²

7x=56×56-49×49

7x=3136-2401

7x=735

x=735/7

x=105

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