Question

$x + 45 = 54 - x$
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Answer 1

Answer:

$9$

the value of x = 9

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Answer 2

Given,

x + 45 = 54 - x

☆Transpose 45 to the Right hand side and "x" of RHS to LHS.

i e.

x + x = 54 - 45

2x = 9

x = 9/2 = 4.5