8x+5x=21

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Solution for 8x+5x=21 equation: 


Simplifying
8x + 5x = 21

Combine like terms: 8x + 5x = 13x
13x = 21

Solving
13x = 21

Solving for variable 'x'.

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

Divide each side by '13'.
x = 1.615384615

Simplifying
x = 1.615384615

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