.30x+.05(10-x)=.10(35)

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Solution for .30x+.05(10-x)=.10(35) equation:


Simplifying
0.30x + 0.05(10 + -1x) = 0.10(35)
0.30x + (10 * 0.05 + -1x * 0.05) = 0.10(35)
0.30x + (0.5 + -0.05x) = 0.10(35)

Reorder the terms:
0.5 + 0.30x + -0.05x = 0.10(35)

Combine like terms: 0.30x + -0.05x = 0.25x
0.5 + 0.25x = 0.10(35)

Multiply 0.10 * 35
0.5 + 0.25x = 3.5

Solving
0.5 + 0.25x = 3.5

Solving for variable 'x'.

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

Add '-0.5' to each side of the equation.
0.5 + -0.5 + 0.25x = 3.5 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + 0.25x = 3.5 + -0.5
0.25x = 3.5 + -0.5

Combine like terms: 3.5 + -0.5 = 3
0.25x = 3

Divide each side by '0.25'.
x = 12

Simplifying
x = 12

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