(7x+4)+(-5x-12)=

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Solution for (7x+4)+(-5x-12)= equation:


Simplifying
(7x + 4) + (-5x + -12) = 0

Reorder the terms:
(4 + 7x) + (-5x + -12) = 0

Remove parenthesis around (4 + 7x)
4 + 7x + (-5x + -12) = 0

Reorder the terms:
4 + 7x + (-12 + -5x) = 0

Remove parenthesis around (-12 + -5x)
4 + 7x + -12 + -5x = 0

Reorder the terms:
4 + -12 + 7x + -5x = 0

Combine like terms: 4 + -12 = -8
-8 + 7x + -5x = 0

Combine like terms: 7x + -5x = 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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