.4x+4.2=.3x+2.6

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Solution for .4x+4.2=.3x+2.6 equation: 


Simplifying
0.4x + 4.2 = 0.3x + 2.6

Reorder the terms:
4.2 + 0.4x = 0.3x + 2.6

Reorder the terms:
4.2 + 0.4x = 2.6 + 0.3x

Solving
4.2 + 0.4x = 2.6 + 0.3x

Solving for variable 'x'.

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

Add '-0.3x' to each side of the equation.
4.2 + 0.4x + -0.3x = 2.6 + 0.3x + -0.3x

Combine like terms: 0.4x + -0.3x = 0.1x
4.2 + 0.1x = 2.6 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
4.2 + 0.1x = 2.6 + 0.0
4.2 + 0.1x = 2.6

Add '-4.2' to each side of the equation.
4.2 + -4.2 + 0.1x = 2.6 + -4.2

Combine like terms: 4.2 + -4.2 = 0.0
0.0 + 0.1x = 2.6 + -4.2
0.1x = 2.6 + -4.2

Combine like terms: 2.6 + -4.2 = -1.6
0.1x = -1.6

Divide each side by '0.1'.
x = -16

Simplifying
x = -16

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