(5+4)+9=5+(x+9)

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Solution for (5+4)+9=5+(x+9) equation:


Simplifying
(5 + 4) + 9 = 5 + (x + 9)

Combine like terms: 5 + 4 = 9
(9) + 9 = 5 + (x + 9)
9 + 9 = 5 + (x + 9)

Combine like terms: 9 + 9 = 18
18 = 5 + (x + 9)

Reorder the terms:
18 = 5 + (9 + x)

Remove parenthesis around (9 + x)
18 = 5 + 9 + x

Combine like terms: 5 + 9 = 14
18 = 14 + x

Solving
18 = 14 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
18 + -1x = 14 + x + -1x

Combine like terms: x + -1x = 0
18 + -1x = 14 + 0
18 + -1x = 14

Add '-18' to each side of the equation.
18 + -18 + -1x = 14 + -18

Combine like terms: 18 + -18 = 0
0 + -1x = 14 + -18
-1x = 14 + -18

Combine like terms: 14 + -18 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4

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