66=x+(2x+3)

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


Simplifying
66 = x + (2x + 3)

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

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

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

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

Solving
66 = 3 + 3x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: 3 + -66 = -63
-3x = -63

Divide each side by '-3'.
x = 21

Simplifying
x = 21

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