4x+.2=.3x+3.9

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Solution for 4x+.2=.3x+3.9 equation:


Simplifying
4x + 0.2 = 0.3x + 3.9

Reorder the terms:
0.2 + 4x = 0.3x + 3.9

Reorder the terms:
0.2 + 4x = 3.9 + 0.3x

Solving
0.2 + 4x = 3.9 + 0.3x

Solving for variable 'x'.

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

Add '-0.3x' to each side of the equation.
0.2 + 4x + -0.3x = 3.9 + 0.3x + -0.3x

Combine like terms: 4x + -0.3x = 3.7x
0.2 + 3.7x = 3.9 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
0.2 + 3.7x = 3.9 + 0.0
0.2 + 3.7x = 3.9

Add '-0.2' to each side of the equation.
0.2 + -0.2 + 3.7x = 3.9 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + 3.7x = 3.9 + -0.2
3.7x = 3.9 + -0.2

Combine like terms: 3.9 + -0.2 = 3.7
3.7x = 3.7

Divide each side by '3.7'.
x = 1

Simplifying
x = 1

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