(x+3)+(x-8)=55

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Solution for (x+3)+(x-8)=55 equation:


Simplifying
(x + 3) + (x + -8) = 55

Reorder the terms:
(3 + x) + (x + -8) = 55

Remove parenthesis around (3 + x)
3 + x + (x + -8) = 55

Reorder the terms:
3 + x + (-8 + x) = 55

Remove parenthesis around (-8 + x)
3 + x + -8 + x = 55

Reorder the terms:
3 + -8 + x + x = 55

Combine like terms: 3 + -8 = -5
-5 + x + x = 55

Combine like terms: x + x = 2x
-5 + 2x = 55

Solving
-5 + 2x = 55

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 2x = 55 + 5

Combine like terms: -5 + 5 = 0
0 + 2x = 55 + 5
2x = 55 + 5

Combine like terms: 55 + 5 = 60
2x = 60

Divide each side by '2'.
x = 30

Simplifying
x = 30

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