0.1(x+50)+0.3x=9

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Solution for 0.1(x+50)+0.3x=9 equation:


Simplifying
0.1(x + 50) + 0.3x = 9

Reorder the terms:
0.1(50 + x) + 0.3x = 9
(50 * 0.1 + x * 0.1) + 0.3x = 9
(5 + 0.1x) + 0.3x = 9

Combine like terms: 0.1x + 0.3x = 0.4x
5 + 0.4x = 9

Solving
5 + 0.4x = 9

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 0.4x = 9 + -5

Combine like terms: 5 + -5 = 0
0 + 0.4x = 9 + -5
0.4x = 9 + -5

Combine like terms: 9 + -5 = 4
0.4x = 4

Divide each side by '0.4'.
x = 10

Simplifying
x = 10

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