(9+8)+4=9+(x+4)

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Solution for (9+8)+4=9+(x+4) equation:


Simplifying
(9 + 8) + 4 = 9 + (x + 4)

Combine like terms: 9 + 8 = 17
(17) + 4 = 9 + (x + 4)
17 + 4 = 9 + (x + 4)

Combine like terms: 17 + 4 = 21
21 = 9 + (x + 4)

Reorder the terms:
21 = 9 + (4 + x)

Remove parenthesis around (4 + x)
21 = 9 + 4 + x

Combine like terms: 9 + 4 = 13
21 = 13 + x

Solving
21 = 13 + 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.
21 + -1x = 13 + x + -1x

Combine like terms: x + -1x = 0
21 + -1x = 13 + 0
21 + -1x = 13

Add '-21' to each side of the equation.
21 + -21 + -1x = 13 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = 13 + -21
-1x = 13 + -21

Combine like terms: 13 + -21 = -8
-1x = -8

Divide each side by '-1'.
x = 8

Simplifying
x = 8

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