0.2(x+30)+0.4=15

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Solution for 0.2(x+30)+0.4=15 equation: 


Simplifying
0.2(x + 30) + 0.4 = 15

Reorder the terms:
0.2(30 + x) + 0.4 = 15
(30 * 0.2 + x * 0.2) + 0.4 = 15
(6 + 0.2x) + 0.4 = 15

Reorder the terms:
6 + 0.4 + 0.2x = 15

Combine like terms: 6 + 0.4 = 6.4
6.4 + 0.2x = 15

Solving
6.4 + 0.2x = 15

Solving for variable 'x'.

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

Add '-6.4' to each side of the equation.
6.4 + -6.4 + 0.2x = 15 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + 0.2x = 15 + -6.4
0.2x = 15 + -6.4

Combine like terms: 15 + -6.4 = 8.6
0.2x = 8.6

Divide each side by '0.2'.
x = 43

Simplifying
x = 43

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