256-7x=38x+21

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Solution for 256-7x=38x+21 equation:


Simplifying
256 + -7x = 38x + 21

Reorder the terms:
256 + -7x = 21 + 38x

Solving
256 + -7x = 21 + 38x

Solving for variable 'x'.

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

Add '-38x' to each side of the equation.
256 + -7x + -38x = 21 + 38x + -38x

Combine like terms: -7x + -38x = -45x
256 + -45x = 21 + 38x + -38x

Combine like terms: 38x + -38x = 0
256 + -45x = 21 + 0
256 + -45x = 21

Add '-256' to each side of the equation.
256 + -256 + -45x = 21 + -256

Combine like terms: 256 + -256 = 0
0 + -45x = 21 + -256
-45x = 21 + -256

Combine like terms: 21 + -256 = -235
-45x = -235

Divide each side by '-45'.
x = 5.222222222

Simplifying
x = 5.222222222

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