0.2(x+30)+0.4x=15

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


Simplifying
0.2(x + 30) + 0.4x = 15

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

Combine like terms: 0.2x + 0.4x = 0.6x
6 + 0.6x = 15

Solving
6 + 0.6x = 15

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 0.6x = 15 + -6

Combine like terms: 6 + -6 = 0
0 + 0.6x = 15 + -6
0.6x = 15 + -6

Combine like terms: 15 + -6 = 9
0.6x = 9

Divide each side by '0.6'.
x = 15

Simplifying
x = 15

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