3x-4(-4x-7)=-86

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Solution for 3x-4(-4x-7)=-86 equation:


Simplifying
3x + -4(-4x + -7) = -86

Reorder the terms:
3x + -4(-7 + -4x) = -86
3x + (-7 * -4 + -4x * -4) = -86
3x + (28 + 16x) = -86

Reorder the terms:
28 + 3x + 16x = -86

Combine like terms: 3x + 16x = 19x
28 + 19x = -86

Solving
28 + 19x = -86

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 19x = -86 + -28

Combine like terms: 28 + -28 = 0
0 + 19x = -86 + -28
19x = -86 + -28

Combine like terms: -86 + -28 = -114
19x = -114

Divide each side by '19'.
x = -6

Simplifying
x = -6

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