0.6+0.4(30)=0.3(x+20)

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Solution for 0.6+0.4(30)=0.3(x+20) equation: 


Simplifying
0.6 + 0.4(30) = 0.3(x + 20)

Multiply 0.4 * 30
0.6 + 12 = 0.3(x + 20)

Combine like terms: 0.6 + 12 = 12.6
12.6 = 0.3(x + 20)

Reorder the terms:
12.6 = 0.3(20 + x)
12.6 = (20 * 0.3 + x * 0.3)
12.6 = (6 + 0.3x)

Solving
12.6 = 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.
12.6 + -0.3x = 6 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
12.6 + -0.3x = 6 + 0.0
12.6 + -0.3x = 6

Add '-12.6' to each side of the equation.
12.6 + -12.6 + -0.3x = 6 + -12.6

Combine like terms: 12.6 + -12.6 = 0.0
0.0 + -0.3x = 6 + -12.6
-0.3x = 6 + -12.6

Combine like terms: 6 + -12.6 = -6.6
-0.3x = -6.6

Divide each side by '-0.3'.
x = 22

Simplifying
x = 22

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