64-6x=3x+21

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Solution for 64-6x=3x+21 equation:


Simplifying
64 + -6x = 3x + 21

Reorder the terms:
64 + -6x = 21 + 3x

Solving
64 + -6x = 21 + 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.
64 + -6x + -3x = 21 + 3x + -3x

Combine like terms: -6x + -3x = -9x
64 + -9x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
64 + -9x = 21 + 0
64 + -9x = 21

Add '-64' to each side of the equation.
64 + -64 + -9x = 21 + -64

Combine like terms: 64 + -64 = 0
0 + -9x = 21 + -64
-9x = 21 + -64

Combine like terms: 21 + -64 = -43
-9x = -43

Divide each side by '-9'.
x = 4.777777778

Simplifying
x = 4.777777778

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