3x-30=0.4x+2

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Solution for 3x-30=0.4x+2 equation:


Simplifying
3x + -30 = 0.4x + 2

Reorder the terms:
-30 + 3x = 0.4x + 2

Reorder the terms:
-30 + 3x = 2 + 0.4x

Solving
-30 + 3x = 2 + 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.
-30 + 3x + -0.4x = 2 + 0.4x + -0.4x

Combine like terms: 3x + -0.4x = 2.6x
-30 + 2.6x = 2 + 0.4x + -0.4x

Combine like terms: 0.4x + -0.4x = 0.0
-30 + 2.6x = 2 + 0.0
-30 + 2.6x = 2

Add '30' to each side of the equation.
-30 + 30 + 2.6x = 2 + 30

Combine like terms: -30 + 30 = 0
0 + 2.6x = 2 + 30
2.6x = 2 + 30

Combine like terms: 2 + 30 = 32
2.6x = 32

Divide each side by '2.6'.
x = 12.30769231

Simplifying
x = 12.30769231

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