8x+63=5x+21

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Solution for 8x+63=5x+21 equation:


Simplifying
8x + 63 = 5x + 21

Reorder the terms:
63 + 8x = 5x + 21

Reorder the terms:
63 + 8x = 21 + 5x

Solving
63 + 8x = 21 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
63 + 8x + -5x = 21 + 5x + -5x

Combine like terms: 8x + -5x = 3x
63 + 3x = 21 + 5x + -5x

Combine like terms: 5x + -5x = 0
63 + 3x = 21 + 0
63 + 3x = 21

Add '-63' to each side of the equation.
63 + -63 + 3x = 21 + -63

Combine like terms: 63 + -63 = 0
0 + 3x = 21 + -63
3x = 21 + -63

Combine like terms: 21 + -63 = -42
3x = -42

Divide each side by '3'.
x = -14

Simplifying
x = -14

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