.1=.4x+2.1

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Solution for .1=.4x+2.1 equation:


Simplifying
0.1 = 0.4x + 2.1

Reorder the terms:
0.1 = 2.1 + 0.4x

Solving
0.1 = 2.1 + 0.4x

Solving for variable 'x'.

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

Add '-0.4x' to each side of the equation.
0.1 + -0.4x = 2.1 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
0.1 + -0.4x = 2.1 + 0.0
0.1 + -0.4x = 2.1

Add '-0.1' to each side of the equation.
0.1 + -0.1 + -0.4x = 2.1 + -0.1

Combine like terms: 0.1 + -0.1 = 0.0
0.0 + -0.4x = 2.1 + -0.1
-0.4x = 2.1 + -0.1

Combine like terms: 2.1 + -0.1 = 2
-0.4x = 2

Divide each side by '-0.4'.
x = -5

Simplifying
x = -5

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