a-8=2(5a+5)

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Solution for a-8=2(5a+5) equation:


Simplifying
a + -8 = 2(5a + 5)

Reorder the terms:
-8 + a = 2(5a + 5)

Reorder the terms:
-8 + a = 2(5 + 5a)
-8 + a = (5 * 2 + 5a * 2)
-8 + a = (10 + 10a)

Solving
-8 + a = 10 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
-8 + a + -10a = 10 + 10a + -10a

Combine like terms: a + -10a = -9a
-8 + -9a = 10 + 10a + -10a

Combine like terms: 10a + -10a = 0
-8 + -9a = 10 + 0
-8 + -9a = 10

Add '8' to each side of the equation.
-8 + 8 + -9a = 10 + 8

Combine like terms: -8 + 8 = 0
0 + -9a = 10 + 8
-9a = 10 + 8

Combine like terms: 10 + 8 = 18
-9a = 18

Divide each side by '-9'.
a = -2

Simplifying
a = -2

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