(3+1x)=3(1x+-3)+-4

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Solution for (3+1x)=3(1x+-3)+-4 equation: 


Simplifying
(3 + 1x) = 3(1x + -3) + -4

Remove parenthesis around (3 + 1x)
3 + 1x = 3(1x + -3) + -4

Reorder the terms:
3 + 1x = 3(-3 + 1x) + -4
3 + 1x = (-3 * 3 + 1x * 3) + -4
3 + 1x = (-9 + 3x) + -4

Reorder the terms:
3 + 1x = -9 + -4 + 3x

Combine like terms: -9 + -4 = -13
3 + 1x = -13 + 3x

Solving
3 + 1x = -13 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
3 + 1x + -3x = -13 + 3x + -3x

Combine like terms: 1x + -3x = -2x
3 + -2x = -13 + 3x + -3x

Combine like terms: 3x + -3x = 0
3 + -2x = -13 + 0
3 + -2x = -13

Add '-3' to each side of the equation.
3 + -3 + -2x = -13 + -3

Combine like terms: 3 + -3 = 0
0 + -2x = -13 + -3
-2x = -13 + -3

Combine like terms: -13 + -3 = -16
-2x = -16

Divide each side by '-2'.
x = 8

Simplifying
x = 8

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