181-3x=42x+21

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Solution for 181-3x=42x+21 equation:


Simplifying
181 + -3x = 42x + 21

Reorder the terms:
181 + -3x = 21 + 42x

Solving
181 + -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.
181 + -3x + -42x = 21 + 42x + -42x

Combine like terms: -3x + -42x = -45x
181 + -45x = 21 + 42x + -42x

Combine like terms: 42x + -42x = 0
181 + -45x = 21 + 0
181 + -45x = 21

Add '-181' to each side of the equation.
181 + -181 + -45x = 21 + -181

Combine like terms: 181 + -181 = 0
0 + -45x = 21 + -181
-45x = 21 + -181

Combine like terms: 21 + -181 = -160
-45x = -160

Divide each side by '-45'.
x = 3.555555556

Simplifying
x = 3.555555556

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