0.3x+0.5(20)=0.2(x+30)

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Solution for 0.3x+0.5(20)=0.2(x+30) equation:


Simplifying
0.3x + 0.5(20) = 0.2(x + 30)

Multiply 0.5 * 20
0.3x + 10 = 0.2(x + 30)

Reorder the terms:
10 + 0.3x = 0.2(x + 30)

Reorder the terms:
10 + 0.3x = 0.2(30 + x)
10 + 0.3x = (30 * 0.2 + x * 0.2)
10 + 0.3x = (6 + 0.2x)

Solving
10 + 0.3x = 6 + 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.
10 + 0.3x + -0.2x = 6 + 0.2x + -0.2x

Combine like terms: 0.3x + -0.2x = 0.1x
10 + 0.1x = 6 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
10 + 0.1x = 6 + 0.0
10 + 0.1x = 6

Add '-10' to each side of the equation.
10 + -10 + 0.1x = 6 + -10

Combine like terms: 10 + -10 = 0
0 + 0.1x = 6 + -10
0.1x = 6 + -10

Combine like terms: 6 + -10 = -4
0.1x = -4

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

Simplifying
x = -40

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