7a-a+4a-2=

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Solution for 7a-a+4a-2= equation:


Simplifying
7a + -1a + 4a + -2 = 0

Reorder the terms:
-2 + 7a + -1a + 4a = 0

Combine like terms: 7a + -1a = 6a
-2 + 6a + 4a = 0

Combine like terms: 6a + 4a = 10a
-2 + 10a = 0

Solving
-2 + 10a = 0

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + 10a = 0 + 2

Combine like terms: -2 + 2 = 0
0 + 10a = 0 + 2
10a = 0 + 2

Combine like terms: 0 + 2 = 2
10a = 2

Divide each side by '10'.
a = 0.2

Simplifying
a = 0.2

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