0.3(x+60)+0.9x=54

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Solution for 0.3(x+60)+0.9x=54 equation: 


Simplifying
0.3(x + 60) + 0.9x = 54

Reorder the terms:
0.3(60 + x) + 0.9x = 54
(60 * 0.3 + x * 0.3) + 0.9x = 54
(18 + 0.3x) + 0.9x = 54

Combine like terms: 0.3x + 0.9x = 1.2x
18 + 1.2x = 54

Solving
18 + 1.2x = 54

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 1.2x = 54 + -18

Combine like terms: 18 + -18 = 0
0 + 1.2x = 54 + -18
1.2x = 54 + -18

Combine like terms: 54 + -18 = 36
1.2x = 36

Divide each side by '1.2'.
x = 30

Simplifying
x = 30

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