0.2(20)+x=0.3(20+x)

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Solution for 0.2(20)+x=0.3(20+x) equation: 


Simplifying
0.2(20) + x = 0.3(20 + x)

Multiply 0.2 * 20
4 + x = 0.3(20 + x)
4 + x = (20 * 0.3 + x * 0.3)
4 + x = (6 + 0.3x)

Solving
4 + x = 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 + x + -0.3x = 6 + 0.3x + -0.3x

Combine like terms: x + -0.3x = 0.7x
4 + 0.7x = 6 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
4 + 0.7x = 6 + 0.0
4 + 0.7x = 6

Add '-4' to each side of the equation.
4 + -4 + 0.7x = 6 + -4

Combine like terms: 4 + -4 = 0
0 + 0.7x = 6 + -4
0.7x = 6 + -4

Combine like terms: 6 + -4 = 2
0.7x = 2

Divide each side by '0.7'.
x = 2.857142857

Simplifying
x = 2.857142857

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