-66=21x-3

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Solution for -66=21x-3 equation:


Simplifying
-66 = 21x + -3

Reorder the terms:
-66 = -3 + 21x

Solving
-66 = -3 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-66 + -21x = -3 + 21x + -21x

Combine like terms: 21x + -21x = 0
-66 + -21x = -3 + 0
-66 + -21x = -3

Add '66' to each side of the equation.
-66 + 66 + -21x = -3 + 66

Combine like terms: -66 + 66 = 0
0 + -21x = -3 + 66
-21x = -3 + 66

Combine like terms: -3 + 66 = 63
-21x = 63

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

Simplifying
x = -3

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