4.2x+4=25

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Solution for 4.2x+4=25 equation: 


Simplifying
4.2x + 4 = 25

Reorder the terms:
4 + 4.2x = 25

Solving
4 + 4.2x = 25

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 4.2x = 25 + -4

Combine like terms: 4 + -4 = 0
0 + 4.2x = 25 + -4
4.2x = 25 + -4

Combine like terms: 25 + -4 = 21
4.2x = 21

Divide each side by '4.2'.
x = 5

Simplifying
x = 5

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