x+(3+x)-5=45

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Solution for x+(3+x)-5=45 equation:


Simplifying
x + (3 + x) + -5 = 45

Remove parenthesis around (3 + x)
x + 3 + x + -5 = 45

Reorder the terms:
3 + -5 + x + x = 45

Combine like terms: 3 + -5 = -2
-2 + x + x = 45

Combine like terms: x + x = 2x
-2 + 2x = 45

Solving
-2 + 2x = 45

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + 2x = 45 + 2

Combine like terms: -2 + 2 = 0
0 + 2x = 45 + 2
2x = 45 + 2

Combine like terms: 45 + 2 = 47
2x = 47

Divide each side by '2'.
x = 23.5

Simplifying
x = 23.5

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