.25x+.3(19-x)=5.10

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Solution for .25x+.3(19-x)=5.10 equation:


Simplifying
0.25x + 0.3(19 + -1x) = 5.10
0.25x + (19 * 0.3 + -1x * 0.3) = 5.10
0.25x + (5.7 + -0.3x) = 5.10

Reorder the terms:
5.7 + 0.25x + -0.3x = 5.10

Combine like terms: 0.25x + -0.3x = -0.05x
5.7 + -0.05x = 5.10

Solving
5.7 + -0.05x = 5.10

Solving for variable 'x'.

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

Add '-5.7' to each side of the equation.
5.7 + -5.7 + -0.05x = 5.10 + -5.7

Combine like terms: 5.7 + -5.7 = 0.0
0.0 + -0.05x = 5.10 + -5.7
-0.05x = 5.10 + -5.7

Combine like terms: 5.10 + -5.7 = -0.6
-0.05x = -0.6

Divide each side by '-0.05'.
x = 12

Simplifying
x = 12

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