84+84+x+x=66

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Solution for 84+84+x+x=66 equation:


Simplifying
84 + 84 + x + x = 66

Combine like terms: 84 + 84 = 168
168 + x + x = 66

Combine like terms: x + x = 2x
168 + 2x = 66

Solving
168 + 2x = 66

Solving for variable 'x'.

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

Add '-168' to each side of the equation.
168 + -168 + 2x = 66 + -168

Combine like terms: 168 + -168 = 0
0 + 2x = 66 + -168
2x = 66 + -168

Combine like terms: 66 + -168 = -102
2x = -102

Divide each side by '2'.
x = -51

Simplifying
x = -51

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