5x+3=(x-21)

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Solution for 5x+3=(x-21) equation:


Simplifying
5x + 3 = (x + -21)

Reorder the terms:
3 + 5x = (x + -21)

Reorder the terms:
3 + 5x = (-21 + x)

Remove parenthesis around (-21 + x)
3 + 5x = -21 + x

Solving
3 + 5x = -21 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3 + 5x + -1x = -21 + x + -1x

Combine like terms: 5x + -1x = 4x
3 + 4x = -21 + x + -1x

Combine like terms: x + -1x = 0
3 + 4x = -21 + 0
3 + 4x = -21

Add '-3' to each side of the equation.
3 + -3 + 4x = -21 + -3

Combine like terms: 3 + -3 = 0
0 + 4x = -21 + -3
4x = -21 + -3

Combine like terms: -21 + -3 = -24
4x = -24

Divide each side by '4'.
x = -6

Simplifying
x = -6

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