-0.4-7a+0.1+3a+0.4=

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Solution for -0.4-7a+0.1+3a+0.4= equation:


Simplifying
-0.4 + -7a + 0.1 + 3a + 0.4 = 0

Reorder the terms:
-0.4 + 0.1 + 0.4 + -7a + 3a = 0

Combine like terms: -0.4 + 0.1 = -0.3
-0.3 + 0.4 + -7a + 3a = 0

Combine like terms: -0.3 + 0.4 = 0.1
0.1 + -7a + 3a = 0

Combine like terms: -7a + 3a = -4a
0.1 + -4a = 0

Solving
0.1 + -4a = 0

Solving for variable 'a'.

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

Add '-0.1' to each side of the equation.
0.1 + -0.1 + -4a = 0 + -0.1

Combine like terms: 0.1 + -0.1 = 0.0
0.0 + -4a = 0 + -0.1
-4a = 0 + -0.1

Combine like terms: 0 + -0.1 = -0.1
-4a = -0.1

Divide each side by '-4'.
a = 0.025

Simplifying
a = 0.025

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