211-3x=42x+21

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Solution for 211-3x=42x+21 equation:


Simplifying
211 + -3x = 42x + 21

Reorder the terms:
211 + -3x = 21 + 42x

Solving
211 + -3x = 21 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
211 + -3x + -42x = 21 + 42x + -42x

Combine like terms: -3x + -42x = -45x
211 + -45x = 21 + 42x + -42x

Combine like terms: 42x + -42x = 0
211 + -45x = 21 + 0
211 + -45x = 21

Add '-211' to each side of the equation.
211 + -211 + -45x = 21 + -211

Combine like terms: 211 + -211 = 0
0 + -45x = 21 + -211
-45x = 21 + -211

Combine like terms: 21 + -211 = -190
-45x = -190

Divide each side by '-45'.
x = 4.222222222

Simplifying
x = 4.222222222

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