3x+x+3=-13

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Solution for 3x+x+3=-13 equation:


Simplifying
3x + x + 3 = -13

Reorder the terms:
3 + 3x + x = -13

Combine like terms: 3x + x = 4x
3 + 4x = -13

Solving
3 + 4x = -13

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 4x = -13 + -3

Combine like terms: 3 + -3 = 0
0 + 4x = -13 + -3
4x = -13 + -3

Combine like terms: -13 + -3 = -16
4x = -16

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

Simplifying
x = -4

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