(3x+4)+(-4x+8)=

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Solution for (3x+4)+(-4x+8)= equation:


Simplifying
(3x + 4) + (-4x + 8) = 0

Reorder the terms:
(4 + 3x) + (-4x + 8) = 0

Remove parenthesis around (4 + 3x)
4 + 3x + (-4x + 8) = 0

Reorder the terms:
4 + 3x + (8 + -4x) = 0

Remove parenthesis around (8 + -4x)
4 + 3x + 8 + -4x = 0

Reorder the terms:
4 + 8 + 3x + -4x = 0

Combine like terms: 4 + 8 = 12
12 + 3x + -4x = 0

Combine like terms: 3x + -4x = -1x
12 + -1x = 0

Solving
12 + -1x = 0

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -1x = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -1x = 0 + -12
-1x = 0 + -12

Combine like terms: 0 + -12 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12

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