3+x+3=-9+4x

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Solution for 3+x+3=-9+4x equation:


Simplifying
3 + x + 3 = -9 + 4x

Reorder the terms:
3 + 3 + x = -9 + 4x

Combine like terms: 3 + 3 = 6
6 + x = -9 + 4x

Solving
6 + x = -9 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
6 + x + -4x = -9 + 4x + -4x

Combine like terms: x + -4x = -3x
6 + -3x = -9 + 4x + -4x

Combine like terms: 4x + -4x = 0
6 + -3x = -9 + 0
6 + -3x = -9

Add '-6' to each side of the equation.
6 + -6 + -3x = -9 + -6

Combine like terms: 6 + -6 = 0
0 + -3x = -9 + -6
-3x = -9 + -6

Combine like terms: -9 + -6 = -15
-3x = -15

Divide each side by '-3'.
x = 5

Simplifying
x = 5

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