-0.4(30)+0.5x=0.2(30+x)

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Solution for -0.4(30)+0.5x=0.2(30+x) equation:


Simplifying
-0.4(30) + 0.5x = 0.2(30 + x)

Multiply -0.4 * 30
-12 + 0.5x = 0.2(30 + x)
-12 + 0.5x = (30 * 0.2 + x * 0.2)
-12 + 0.5x = (6 + 0.2x)

Solving
-12 + 0.5x = 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.
-12 + 0.5x + -0.2x = 6 + 0.2x + -0.2x

Combine like terms: 0.5x + -0.2x = 0.3x
-12 + 0.3x = 6 + 0.2x + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
-12 + 0.3x = 6 + 0.0
-12 + 0.3x = 6

Add '12' to each side of the equation.
-12 + 12 + 0.3x = 6 + 12

Combine like terms: -12 + 12 = 0
0 + 0.3x = 6 + 12
0.3x = 6 + 12

Combine like terms: 6 + 12 = 18
0.3x = 18

Divide each side by '0.3'.
x = 60

Simplifying
x = 60

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