0.4x+0.7(30-x)=14.1

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Solution for 0.4x+0.7(30-x)=14.1 equation:


Simplifying
0.4x + 0.7(30 + -1x) = 14.1
0.4x + (30 * 0.7 + -1x * 0.7) = 14.1
0.4x + (21 + -0.7x) = 14.1

Reorder the terms:
21 + 0.4x + -0.7x = 14.1

Combine like terms: 0.4x + -0.7x = -0.3x
21 + -0.3x = 14.1

Solving
21 + -0.3x = 14.1

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -0.3x = 14.1 + -21

Combine like terms: 21 + -21 = 0
0 + -0.3x = 14.1 + -21
-0.3x = 14.1 + -21

Combine like terms: 14.1 + -21 = -6.9
-0.3x = -6.9

Divide each side by '-0.3'.
x = 23

Simplifying
x = 23

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