0.2a+0.4(35-a)=9

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Solution for 0.2a+0.4(35-a)=9 equation:


Simplifying
0.2a + 0.4(35 + -1a) = 9
0.2a + (35 * 0.4 + -1a * 0.4) = 9
0.2a + (14 + -0.4a) = 9

Reorder the terms:
14 + 0.2a + -0.4a = 9

Combine like terms: 0.2a + -0.4a = -0.2a
14 + -0.2a = 9

Solving
14 + -0.2a = 9

Solving for variable 'a'.

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

Add '-14' to each side of the equation.
14 + -14 + -0.2a = 9 + -14

Combine like terms: 14 + -14 = 0
0 + -0.2a = 9 + -14
-0.2a = 9 + -14

Combine like terms: 9 + -14 = -5
-0.2a = -5

Divide each side by '-0.2'.
a = 25

Simplifying
a = 25

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