3x-17+x+21=

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


Simplifying
3x + -17 + x + 21 = 0

Reorder the terms:
-17 + 21 + 3x + x = 0

Combine like terms: -17 + 21 = 4
4 + 3x + x = 0

Combine like terms: 3x + x = 4x
4 + 4x = 0

Solving
4 + 4x = 0

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 4x = 0 + -4

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

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

Divide each side by '4'.
x = -1

Simplifying
x = -1

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