8a-(5+4a)=5(2a-1)-18

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Solution for 8a-(5+4a)=5(2a-1)-18 equation:


Simplifying
8a + -1(5 + 4a) = 5(2a + -1) + -18
8a + (5 * -1 + 4a * -1) = 5(2a + -1) + -18
8a + (-5 + -4a) = 5(2a + -1) + -18

Reorder the terms:
-5 + 8a + -4a = 5(2a + -1) + -18

Combine like terms: 8a + -4a = 4a
-5 + 4a = 5(2a + -1) + -18

Reorder the terms:
-5 + 4a = 5(-1 + 2a) + -18
-5 + 4a = (-1 * 5 + 2a * 5) + -18
-5 + 4a = (-5 + 10a) + -18

Reorder the terms:
-5 + 4a = -5 + -18 + 10a

Combine like terms: -5 + -18 = -23
-5 + 4a = -23 + 10a

Solving
-5 + 4a = -23 + 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.
-5 + 4a + -10a = -23 + 10a + -10a

Combine like terms: 4a + -10a = -6a
-5 + -6a = -23 + 10a + -10a

Combine like terms: 10a + -10a = 0
-5 + -6a = -23 + 0
-5 + -6a = -23

Add '5' to each side of the equation.
-5 + 5 + -6a = -23 + 5

Combine like terms: -5 + 5 = 0
0 + -6a = -23 + 5
-6a = -23 + 5

Combine like terms: -23 + 5 = -18
-6a = -18

Divide each side by '-6'.
a = 3

Simplifying
a = 3

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