0.4(a-b)+0.2x=d

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Solution for 0.4(a-b)+0.2x=d equation:


Simplifying
0.4(a + -1b) + 0.2x = d
(a * 0.4 + -1b * 0.4) + 0.2x = d
(0.4a + -0.4b) + 0.2x = d

Solving
0.4a + -0.4b + 0.2x = d

Solving for variable 'a'.

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

Add '0.4b' to each side of the equation.
0.4a + -0.4b + 0.4b + 0.2x = 0.4b + d

Combine like terms: -0.4b + 0.4b = 0.0
0.4a + 0.0 + 0.2x = 0.4b + d
0.4a + 0.2x = 0.4b + d

Add '-0.2x' to each side of the equation.
0.4a + 0.2x + -0.2x = 0.4b + d + -0.2x

Combine like terms: 0.2x + -0.2x = 0.0
0.4a + 0.0 = 0.4b + d + -0.2x
0.4a = 0.4b + d + -0.2x

Divide each side by '0.4'.
a = b + 2.5d + -0.5x

Simplifying
a = b + 2.5d + -0.5x

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