0.2x+3.4+0.8x-2.1=4.2

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Solution for 0.2x+3.4+0.8x-2.1=4.2 equation:


Simplifying
0.2x + 3.4 + 0.8x + -2.1 = 4.2

Reorder the terms:
3.4 + -2.1 + 0.2x + 0.8x = 4.2

Combine like terms: 3.4 + -2.1 = 1.3
1.3 + 0.2x + 0.8x = 4.2

Combine like terms: 0.2x + 0.8x = 1x
1.3 + 1x = 4.2

Solving
1.3 + 1x = 4.2

Solving for variable 'x'.

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

Add '-1.3' to each side of the equation.
1.3 + -1.3 + 1x = 4.2 + -1.3

Combine like terms: 1.3 + -1.3 = 0.0
0.0 + 1x = 4.2 + -1.3
1x = 4.2 + -1.3

Combine like terms: 4.2 + -1.3 = 2.9
1x = 2.9

Divide each side by '1'.
x = 2.9

Simplifying
x = 2.9

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