-2.1x+0.4+0.8x+2x+0.6=

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Solution for -2.1x+0.4+0.8x+2x+0.6= equation:


Simplifying
-2.1x + 0.4 + 0.8x + 2x + 0.6 = 0

Reorder the terms:
0.4 + 0.6 + -2.1x + 0.8x + 2x = 0

Combine like terms: 0.4 + 0.6 = 1
1 + -2.1x + 0.8x + 2x = 0

Combine like terms: -2.1x + 0.8x = -1.3x
1 + -1.3x + 2x = 0

Combine like terms: -1.3x + 2x = 0.7x
1 + 0.7x = 0

Solving
1 + 0.7x = 0

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 0.7x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 0.7x = 0 + -1
0.7x = 0 + -1

Combine like terms: 0 + -1 = -1
0.7x = -1

Divide each side by '0.7'.
x = -1.428571429

Simplifying
x = -1.428571429

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