66+21x=-54+18x

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Solution for 66+21x=-54+18x equation:


Simplifying
66 + 21x = -54 + 18x

Solving
66 + 21x = -54 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
66 + 21x + -18x = -54 + 18x + -18x

Combine like terms: 21x + -18x = 3x
66 + 3x = -54 + 18x + -18x

Combine like terms: 18x + -18x = 0
66 + 3x = -54 + 0
66 + 3x = -54

Add '-66' to each side of the equation.
66 + -66 + 3x = -54 + -66

Combine like terms: 66 + -66 = 0
0 + 3x = -54 + -66
3x = -54 + -66

Combine like terms: -54 + -66 = -120
3x = -120

Divide each side by '3'.
x = -40

Simplifying
x = -40

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