x+(x-3)=66

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Solution for x+(x-3)=66 equation:


Simplifying
x + (x + -3) = 66

Reorder the terms:
x + (-3 + x) = 66

Remove parenthesis around (-3 + x)
x + -3 + x = 66

Reorder the terms:
-3 + x + x = 66

Combine like terms: x + x = 2x
-3 + 2x = 66

Solving
-3 + 2x = 66

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 2x = 66 + 3

Combine like terms: -3 + 3 = 0
0 + 2x = 66 + 3
2x = 66 + 3

Combine like terms: 66 + 3 = 69
2x = 69

Divide each side by '2'.
x = 34.5

Simplifying
x = 34.5

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