8a-3(5+29a)=85-3a

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Solution for 8a-3(5+29a)=85-3a equation:


Simplifying
8a + -3(5 + 29a) = 85 + -3a
8a + (5 * -3 + 29a * -3) = 85 + -3a
8a + (-15 + -87a) = 85 + -3a

Reorder the terms:
-15 + 8a + -87a = 85 + -3a

Combine like terms: 8a + -87a = -79a
-15 + -79a = 85 + -3a

Solving
-15 + -79a = 85 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
-15 + -79a + 3a = 85 + -3a + 3a

Combine like terms: -79a + 3a = -76a
-15 + -76a = 85 + -3a + 3a

Combine like terms: -3a + 3a = 0
-15 + -76a = 85 + 0
-15 + -76a = 85

Add '15' to each side of the equation.
-15 + 15 + -76a = 85 + 15

Combine like terms: -15 + 15 = 0
0 + -76a = 85 + 15
-76a = 85 + 15

Combine like terms: 85 + 15 = 100
-76a = 100

Divide each side by '-76'.
a = -1.315789474

Simplifying
a = -1.315789474

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