5x+17=21

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Solution for 5x+17=21 equation: 


Simplifying
5x + 17 = 21

Reorder the terms:
17 + 5x = 21

Solving
17 + 5x = 21

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + 5x = 21 + -17

Combine like terms: 17 + -17 = 0
0 + 5x = 21 + -17
5x = 21 + -17

Combine like terms: 21 + -17 = 4
5x = 4

Divide each side by '5'.
x = 0.8

Simplifying
x = 0.8

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