(x-13)+(x+3)+x=57

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Solution for (x-13)+(x+3)+x=57 equation:


Simplifying
(x + -13) + (x + 3) + x = 57

Reorder the terms:
(-13 + x) + (x + 3) + x = 57

Remove parenthesis around (-13 + x)
-13 + x + (x + 3) + x = 57

Reorder the terms:
-13 + x + (3 + x) + x = 57

Remove parenthesis around (3 + x)
-13 + x + 3 + x + x = 57

Reorder the terms:
-13 + 3 + x + x + x = 57

Combine like terms: -13 + 3 = -10
-10 + x + x + x = 57

Combine like terms: x + x = 2x
-10 + 2x + x = 57

Combine like terms: 2x + x = 3x
-10 + 3x = 57

Solving
-10 + 3x = 57

Solving for variable 'x'.

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

Add '10' to each side of the equation.
-10 + 10 + 3x = 57 + 10

Combine like terms: -10 + 10 = 0
0 + 3x = 57 + 10
3x = 57 + 10

Combine like terms: 57 + 10 = 67
3x = 67

Divide each side by '3'.
x = 22.33333333

Simplifying
x = 22.33333333

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