13-(8x)+4x-(-12)=

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Solution for 13-(8x)+4x-(-12)= equation: 


Simplifying
13 + -1(8x) + 4x + -1(-12) = 0

Remove parenthesis around (8x)
13 + -1 * 8x + 4x + -1(-12) = 0

Multiply -1 * 8
13 + -8x + 4x + -1(-12) = 0

Multiply -1 * -12
13 + -8x + 4x + 12 = 0

Reorder the terms:
13 + 12 + -8x + 4x = 0

Combine like terms: 13 + 12 = 25
25 + -8x + 4x = 0

Combine like terms: -8x + 4x = -4x
25 + -4x = 0

Solving
25 + -4x = 0

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + -4x = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -4x = 0 + -25
-4x = 0 + -25

Combine like terms: 0 + -25 = -25
-4x = -25

Divide each side by '-4'.
x = 6.25

Simplifying
x = 6.25

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