0.3(x+5)+0.2(x+25)=9

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Solution for 0.3(x+5)+0.2(x+25)=9 equation: 


Simplifying
0.3(x + 5) + 0.2(x + 25) = 9

Reorder the terms:
0.3(5 + x) + 0.2(x + 25) = 9
(5 * 0.3 + x * 0.3) + 0.2(x + 25) = 9
(1.5 + 0.3x) + 0.2(x + 25) = 9

Reorder the terms:
1.5 + 0.3x + 0.2(25 + x) = 9
1.5 + 0.3x + (25 * 0.2 + x * 0.2) = 9
1.5 + 0.3x + (5 + 0.2x) = 9

Reorder the terms:
1.5 + 5 + 0.3x + 0.2x = 9

Combine like terms: 1.5 + 5 = 6.5
6.5 + 0.3x + 0.2x = 9

Combine like terms: 0.3x + 0.2x = 0.5x
6.5 + 0.5x = 9

Solving
6.5 + 0.5x = 9

Solving for variable 'x'.

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

Add '-6.5' to each side of the equation.
6.5 + -6.5 + 0.5x = 9 + -6.5

Combine like terms: 6.5 + -6.5 = 0.0
0.0 + 0.5x = 9 + -6.5
0.5x = 9 + -6.5

Combine like terms: 9 + -6.5 = 2.5
0.5x = 2.5

Divide each side by '0.5'.
x = 5

Simplifying
x = 5

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