5x+21=-x+3

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


Simplifying
5x + 21 = -1x + 3

Reorder the terms:
21 + 5x = -1x + 3

Reorder the terms:
21 + 5x = 3 + -1x

Solving
21 + 5x = 3 + -1x

Solving for variable 'x'.

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

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

Combine like terms: 5x + x = 6x
21 + 6x = 3 + -1x + x

Combine like terms: -1x + x = 0
21 + 6x = 3 + 0
21 + 6x = 3

Add '-21' to each side of the equation.
21 + -21 + 6x = 3 + -21

Combine like terms: 21 + -21 = 0
0 + 6x = 3 + -21
6x = 3 + -21

Combine like terms: 3 + -21 = -18
6x = -18

Divide each side by '6'.
x = -3

Simplifying
x = -3

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