3+x+4x=4.21

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Solution for 3+x+4x=4.21 equation: 


Simplifying
3 + x + 4x = 4.21

Combine like terms: x + 4x = 5x
3 + 5x = 4.21

Solving
3 + 5x = 4.21

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 5x = 4.21 + -3

Combine like terms: 3 + -3 = 0
0 + 5x = 4.21 + -3
5x = 4.21 + -3

Combine like terms: 4.21 + -3 = 1.21
5x = 1.21

Divide each side by '5'.
x = 0.242

Simplifying
x = 0.242

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