3a+5(a-1)=

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Solution for 3a+5(a-1)= equation:


Simplifying
3a + 5(a + -1) = 0

Reorder the terms:
3a + 5(-1 + a) = 0
3a + (-1 * 5 + a * 5) = 0
3a + (-5 + 5a) = 0

Reorder the terms:
-5 + 3a + 5a = 0

Combine like terms: 3a + 5a = 8a
-5 + 8a = 0

Solving
-5 + 8a = 0

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 + 8a = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 8a = 0 + 5
8a = 0 + 5

Combine like terms: 0 + 5 = 5
8a = 5

Divide each side by '8'.
a = 0.625

Simplifying
a = 0.625

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