5a+5(a-1)=4

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Solution for 5a+5(a-1)=4 equation:


Simplifying
5a + 5(a + -1) = 4

Reorder the terms:
5a + 5(-1 + a) = 4
5a + (-1 * 5 + a * 5) = 4
5a + (-5 + 5a) = 4

Reorder the terms:
-5 + 5a + 5a = 4

Combine like terms: 5a + 5a = 10a
-5 + 10a = 4

Solving
-5 + 10a = 4

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 10a = 4 + 5

Combine like terms: -5 + 5 = 0
0 + 10a = 4 + 5
10a = 4 + 5

Combine like terms: 4 + 5 = 9
10a = 9

Divide each side by '10'.
a = 0.9

Simplifying
a = 0.9

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