-4x-2.4x+12+3.1x-15.5=

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Solution for -4x-2.4x+12+3.1x-15.5= equation:


Simplifying
-4x + -2.4x + 12 + 3.1x + -15.5 = 0

Reorder the terms:
12 + -15.5 + -4x + -2.4x + 3.1x = 0

Combine like terms: 12 + -15.5 = -3.5
-3.5 + -4x + -2.4x + 3.1x = 0

Combine like terms: -4x + -2.4x = -6.4x
-3.5 + -6.4x + 3.1x = 0

Combine like terms: -6.4x + 3.1x = -3.3x
-3.5 + -3.3x = 0

Solving
-3.5 + -3.3x = 0

Solving for variable 'x'.

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

Add '3.5' to each side of the equation.
-3.5 + 3.5 + -3.3x = 0 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + -3.3x = 0 + 3.5
-3.3x = 0 + 3.5

Combine like terms: 0 + 3.5 = 3.5
-3.3x = 3.5

Divide each side by '-3.3'.
x = -1.060606061

Simplifying
x = -1.060606061

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