-4.2+8.1x(-1.9)=

Solution for -4.2+8.1x(-1.9)= equation:

Simplifying
-4.2 + 8.1x(-1.9) = 0

Reorder the terms for easier multiplication:
-4.2 + 8.1 * -1.9x = 0

Multiply 8.1 * -1.9
-4.2 + -15.39x = 0

Solving
-4.2 + -15.39x = 0

Solving for variable 'x'.

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

Add '4.2' to each side of the equation.
-4.2 + 4.2 + -15.39x = 0 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + -15.39x = 0 + 4.2
-15.39x = 0 + 4.2

Combine like terms: 0 + 4.2 = 4.2
-15.39x = 4.2

Divide each side by '-15.39'.
x = -0.2729044834

Simplifying
x = -0.2729044834