5+8x=21+3x

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Solution for 5+8x=21+3x equation:


Simplifying
5 + 8x = 21 + 3x

Solving
5 + 8x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
5 + 8x + -3x = 21 + 3x + -3x

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

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

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

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

Combine like terms: 21 + -5 = 16
5x = 16

Divide each side by '5'.
x = 3.2

Simplifying
x = 3.2

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