16x-3(4x-7)=6x-(2x+21)

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Solution for 16x-3(4x-7)=6x-(2x+21) equation:


Simplifying
16x + -3(4x + -7) = 6x + -1(2x + 21)

Reorder the terms:
16x + -3(-7 + 4x) = 6x + -1(2x + 21)
16x + (-7 * -3 + 4x * -3) = 6x + -1(2x + 21)
16x + (21 + -12x) = 6x + -1(2x + 21)

Reorder the terms:
21 + 16x + -12x = 6x + -1(2x + 21)

Combine like terms: 16x + -12x = 4x
21 + 4x = 6x + -1(2x + 21)

Reorder the terms:
21 + 4x = 6x + -1(21 + 2x)
21 + 4x = 6x + (21 * -1 + 2x * -1)
21 + 4x = 6x + (-21 + -2x)

Reorder the terms:
21 + 4x = -21 + 6x + -2x

Combine like terms: 6x + -2x = 4x
21 + 4x = -21 + 4x

Add '-4x' to each side of the equation.
21 + 4x + -4x = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
21 + 0 = -21 + 4x + -4x
21 = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
21 = -21 + 0
21 = -21

Solving
21 = -21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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