0.4x-10=0.1(x+20)

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Solution for 0.4x-10=0.1(x+20) equation:


Simplifying
0.4x + -10 = 0.1(x + 20)

Reorder the terms:
-10 + 0.4x = 0.1(x + 20)

Reorder the terms:
-10 + 0.4x = 0.1(20 + x)
-10 + 0.4x = (20 * 0.1 + x * 0.1)
-10 + 0.4x = (2 + 0.1x)

Solving
-10 + 0.4x = 2 + 0.1x

Solving for variable 'x'.

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

Add '-0.1x' to each side of the equation.
-10 + 0.4x + -0.1x = 2 + 0.1x + -0.1x

Combine like terms: 0.4x + -0.1x = 0.3x
-10 + 0.3x = 2 + 0.1x + -0.1x

Combine like terms: 0.1x + -0.1x = 0.0
-10 + 0.3x = 2 + 0.0
-10 + 0.3x = 2

Add '10' to each side of the equation.
-10 + 10 + 0.3x = 2 + 10

Combine like terms: -10 + 10 = 0
0 + 0.3x = 2 + 10
0.3x = 2 + 10

Combine like terms: 2 + 10 = 12
0.3x = 12

Divide each side by '0.3'.
x = 40

Simplifying
x = 40

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