6-x-3x=30

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Solution for 6-x-3x=30 equation: 


Simplifying
6 + -1x + -3x = 30

Combine like terms: -1x + -3x = -4x
6 + -4x = 30

Solving
6 + -4x = 30

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + -4x = 30 + -6

Combine like terms: 6 + -6 = 0
0 + -4x = 30 + -6
-4x = 30 + -6

Combine like terms: 30 + -6 = 24
-4x = 24

Divide each side by '-4'.
x = -6

Simplifying
x = -6

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