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

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


Simplifying
(3x + 4) + -1(1x + -4) = 0

Reorder the terms:
(4 + 3x) + -1(1x + -4) = 0

Remove parenthesis around (4 + 3x)
4 + 3x + -1(1x + -4) = 0

Reorder the terms:
4 + 3x + -1(-4 + 1x) = 0
4 + 3x + (-4 * -1 + 1x * -1) = 0
4 + 3x + (4 + -1x) = 0

Reorder the terms:
4 + 4 + 3x + -1x = 0

Combine like terms: 4 + 4 = 8
8 + 3x + -1x = 0

Combine like terms: 3x + -1x = 2x
8 + 2x = 0

Solving
8 + 2x = 0

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 2x = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 0 + -8
2x = 0 + -8

Combine like terms: 0 + -8 = -8
2x = -8

Divide each side by '2'.
x = -4

Simplifying
x = -4

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