0.5x-0.2(10+x)=0.2(20)

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Solution for 0.5x-0.2(10+x)=0.2(20) equation:


Simplifying
0.5x + -0.2(10 + x) = 0.2(20)
0.5x + (10 * -0.2 + x * -0.2) = 0.2(20)
0.5x + (-2 + -0.2x) = 0.2(20)

Reorder the terms:
-2 + 0.5x + -0.2x = 0.2(20)

Combine like terms: 0.5x + -0.2x = 0.3x
-2 + 0.3x = 0.2(20)

Multiply 0.2 * 20
-2 + 0.3x = 4

Solving
-2 + 0.3x = 4

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 0.3x = 4 + 2

Combine like terms: -2 + 2 = 0
0 + 0.3x = 4 + 2
0.3x = 4 + 2

Combine like terms: 4 + 2 = 6
0.3x = 6

Divide each side by '0.3'.
x = 20

Simplifying
x = 20

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