(x+3)+(2x+3)=66

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Solution for (x+3)+(2x+3)=66 equation:


Simplifying
(x + 3) + (2x + 3) = 66

Reorder the terms:
(3 + x) + (2x + 3) = 66

Remove parenthesis around (3 + x)
3 + x + (2x + 3) = 66

Reorder the terms:
3 + x + (3 + 2x) = 66

Remove parenthesis around (3 + 2x)
3 + x + 3 + 2x = 66

Reorder the terms:
3 + 3 + x + 2x = 66

Combine like terms: 3 + 3 = 6
6 + x + 2x = 66

Combine like terms: x + 2x = 3x
6 + 3x = 66

Solving
6 + 3x = 66

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 3x = 66 + -6

Combine like terms: 6 + -6 = 0
0 + 3x = 66 + -6
3x = 66 + -6

Combine like terms: 66 + -6 = 60
3x = 60

Divide each side by '3'.
x = 20

Simplifying
x = 20

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