-4.2=91x+23.1

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Solution for -4.2=91x+23.1 equation: 


Simplifying
-4.2 = 91x + 23.1

Reorder the terms:
-4.2 = 23.1 + 91x

Solving
-4.2 = 23.1 + 91x

Solving for variable 'x'.

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

Add '-91x' to each side of the equation.
-4.2 + -91x = 23.1 + 91x + -91x

Combine like terms: 91x + -91x = 0
-4.2 + -91x = 23.1 + 0
-4.2 + -91x = 23.1

Add '4.2' to each side of the equation.
-4.2 + 4.2 + -91x = 23.1 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + -91x = 23.1 + 4.2
-91x = 23.1 + 4.2

Combine like terms: 23.1 + 4.2 = 27.3
-91x = 27.3

Divide each side by '-91'.
x = -0.3

Simplifying
x = -0.3

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