3x-4(-4x-2)-19=21x-17

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Solution for 3x-4(-4x-2)-19=21x-17 equation:


Simplifying
3x + -4(-4x + -2) + -19 = 21x + -17

Reorder the terms:
3x + -4(-2 + -4x) + -19 = 21x + -17
3x + (-2 * -4 + -4x * -4) + -19 = 21x + -17
3x + (8 + 16x) + -19 = 21x + -17

Reorder the terms:
8 + -19 + 3x + 16x = 21x + -17

Combine like terms: 8 + -19 = -11
-11 + 3x + 16x = 21x + -17

Combine like terms: 3x + 16x = 19x
-11 + 19x = 21x + -17

Reorder the terms:
-11 + 19x = -17 + 21x

Solving
-11 + 19x = -17 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-11 + 19x + -21x = -17 + 21x + -21x

Combine like terms: 19x + -21x = -2x
-11 + -2x = -17 + 21x + -21x

Combine like terms: 21x + -21x = 0
-11 + -2x = -17 + 0
-11 + -2x = -17

Add '11' to each side of the equation.
-11 + 11 + -2x = -17 + 11

Combine like terms: -11 + 11 = 0
0 + -2x = -17 + 11
-2x = -17 + 11

Combine like terms: -17 + 11 = -6
-2x = -6

Divide each side by '-2'.
x = 3

Simplifying
x = 3

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