.30x+.40(1-x)=.35

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Solution for .30x+.40(1-x)=.35 equation:


Simplifying
0.30x + 0.40(1 + -1x) = 0.35
0.30x + (1 * 0.40 + -1x * 0.40) = 0.35
0.30x + (0.4 + -0.4x) = 0.35

Reorder the terms:
0.4 + 0.30x + -0.4x = 0.35

Combine like terms: 0.30x + -0.4x = -0.1x
0.4 + -0.1x = 0.35

Solving
0.4 + -0.1x = 0.35

Solving for variable 'x'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + -0.1x = 0.35 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + -0.1x = 0.35 + -0.4
-0.1x = 0.35 + -0.4

Combine like terms: 0.35 + -0.4 = -0.05
-0.1x = -0.05

Divide each side by '-0.1'.
x = 0.5

Simplifying
x = 0.5

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