3+x=4.2+0.42x

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Solution for 3+x=4.2+0.42x equation:


Simplifying
3 + x = 4.2 + 0.42x

Solving
3 + x = 4.2 + 0.42x

Solving for variable 'x'.

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

Add '-0.42x' to each side of the equation.
3 + x + -0.42x = 4.2 + 0.42x + -0.42x

Combine like terms: x + -0.42x = 0.58x
3 + 0.58x = 4.2 + 0.42x + -0.42x

Combine like terms: 0.42x + -0.42x = 0.00
3 + 0.58x = 4.2 + 0.00
3 + 0.58x = 4.2

Add '-3' to each side of the equation.
3 + -3 + 0.58x = 4.2 + -3

Combine like terms: 3 + -3 = 0
0 + 0.58x = 4.2 + -3
0.58x = 4.2 + -3

Combine like terms: 4.2 + -3 = 1.2
0.58x = 1.2

Divide each side by '0.58'.
x = 2.068965517

Simplifying
x = 2.068965517

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