3x+17=21x-19

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Solution for 3x+17=21x-19 equation:


Simplifying
3x + 17 = 21x + -19

Reorder the terms:
17 + 3x = 21x + -19

Reorder the terms:
17 + 3x = -19 + 21x

Solving
17 + 3x = -19 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
17 + 3x + -21x = -19 + 21x + -21x

Combine like terms: 3x + -21x = -18x
17 + -18x = -19 + 21x + -21x

Combine like terms: 21x + -21x = 0
17 + -18x = -19 + 0
17 + -18x = -19

Add '-17' to each side of the equation.
17 + -17 + -18x = -19 + -17

Combine like terms: 17 + -17 = 0
0 + -18x = -19 + -17
-18x = -19 + -17

Combine like terms: -19 + -17 = -36
-18x = -36

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

Simplifying
x = 2

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