(5+4+2x)-(8x-12)=68

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Solution for (5+4+2x)-(8x-12)=68 equation:


Simplifying
(5 + 4 + 2x) + -1(8x + -12) = 68

Combine like terms: 5 + 4 = 9
(9 + 2x) + -1(8x + -12) = 68

Remove parenthesis around (9 + 2x)
9 + 2x + -1(8x + -12) = 68

Reorder the terms:
9 + 2x + -1(-12 + 8x) = 68
9 + 2x + (-12 * -1 + 8x * -1) = 68
9 + 2x + (12 + -8x) = 68

Reorder the terms:
9 + 12 + 2x + -8x = 68

Combine like terms: 9 + 12 = 21
21 + 2x + -8x = 68

Combine like terms: 2x + -8x = -6x
21 + -6x = 68

Solving
21 + -6x = 68

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -6x = 68 + -21

Combine like terms: 21 + -21 = 0
0 + -6x = 68 + -21
-6x = 68 + -21

Combine like terms: 68 + -21 = 47
-6x = 47

Divide each side by '-6'.
x = -7.833333333

Simplifying
x = -7.833333333

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