2-5x=21

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Solution for 2-5x=21 equation: 


Simplifying
2 + -5x = 21

Solving
2 + -5x = 21

Solving for variable 'x'.

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

Add '-2' to each side of the equation.
2 + -2 + -5x = 21 + -2

Combine like terms: 2 + -2 = 0
0 + -5x = 21 + -2
-5x = 21 + -2

Combine like terms: 21 + -2 = 19
-5x = 19

Divide each side by '-5'.
x = -3.8

Simplifying
x = -3.8

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