3x-21x+36=0

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Solution for 3x-21x+36=0 equation:


Simplifying
3x + -21x + 36 = 0

Reorder the terms:
36 + 3x + -21x = 0

Combine like terms: 3x + -21x = -18x
36 + -18x = 0

Solving
36 + -18x = 0

Solving for variable 'x'.

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

Add '-36' to each side of the equation.
36 + -36 + -18x = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -18x = 0 + -36
-18x = 0 + -36

Combine like terms: 0 + -36 = -36
-18x = -36

Divide each side by '-18'.
x = 2

Simplifying
x = 2

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