0.3x+0.3(20)=0.2(x+10)

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Solution for 0.3x+0.3(20)=0.2(x+10) equation:


Simplifying
0.3x + 0.3(20) = 0.2(x + 10)

Multiply 0.3 * 20
0.3x + 6 = 0.2(x + 10)

Reorder the terms:
6 + 0.3x = 0.2(x + 10)

Reorder the terms:
6 + 0.3x = 0.2(10 + x)
6 + 0.3x = (10 * 0.2 + x * 0.2)
6 + 0.3x = (2 + 0.2x)

Solving
6 + 0.3x = 2 + 0.2x

Solving for variable 'x'.

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

Add '-0.2x' to each side of the equation.
6 + 0.3x + -0.2x = 2 + 0.2x + -0.2x

Combine like terms: 0.3x + -0.2x = 0.1x
6 + 0.1x = 2 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
6 + 0.1x = 2 + 0.0
6 + 0.1x = 2

Add '-6' to each side of the equation.
6 + -6 + 0.1x = 2 + -6

Combine like terms: 6 + -6 = 0
0 + 0.1x = 2 + -6
0.1x = 2 + -6

Combine like terms: 2 + -6 = -4
0.1x = -4

Divide each side by '0.1'.
x = -40

Simplifying
x = -40

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