300-3x=135

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Solution for 300-3x=135 equation: 


Simplifying
300 + -3x = 135

Solving
300 + -3x = 135

Solving for variable 'x'.

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

Add '-300' to each side of the equation.
300 + -300 + -3x = 135 + -300

Combine like terms: 300 + -300 = 0
0 + -3x = 135 + -300
-3x = 135 + -300

Combine like terms: 135 + -300 = -165
-3x = -165

Divide each side by '-3'.
x = 55

Simplifying
x = 55

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