0.30x+0.05(12-x)=0.10(31)

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Solution for 0.30x+0.05(12-x)=0.10(31) equation:


Simplifying
0.30x + 0.05(12 + -1x) = 0.10(31)
0.30x + (12 * 0.05 + -1x * 0.05) = 0.10(31)
0.30x + (0.6 + -0.05x) = 0.10(31)

Reorder the terms:
0.6 + 0.30x + -0.05x = 0.10(31)

Combine like terms: 0.30x + -0.05x = 0.25x
0.6 + 0.25x = 0.10(31)

Multiply 0.10 * 31
0.6 + 0.25x = 3.1

Solving
0.6 + 0.25x = 3.1

Solving for variable 'x'.

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

Add '-0.6' to each side of the equation.
0.6 + -0.6 + 0.25x = 3.1 + -0.6

Combine like terms: 0.6 + -0.6 = 0.0
0.0 + 0.25x = 3.1 + -0.6
0.25x = 3.1 + -0.6

Combine like terms: 3.1 + -0.6 = 2.5
0.25x = 2.5

Divide each side by '0.25'.
x = 10

Simplifying
x = 10

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