5(2a-6)+2(4a+3)=8a-9

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Solution for 5(2a-6)+2(4a+3)=8a-9 equation:


Simplifying
5(2a + -6) + 2(4a + 3) = 8a + -9

Reorder the terms:
5(-6 + 2a) + 2(4a + 3) = 8a + -9
(-6 * 5 + 2a * 5) + 2(4a + 3) = 8a + -9
(-30 + 10a) + 2(4a + 3) = 8a + -9

Reorder the terms:
-30 + 10a + 2(3 + 4a) = 8a + -9
-30 + 10a + (3 * 2 + 4a * 2) = 8a + -9
-30 + 10a + (6 + 8a) = 8a + -9

Reorder the terms:
-30 + 6 + 10a + 8a = 8a + -9

Combine like terms: -30 + 6 = -24
-24 + 10a + 8a = 8a + -9

Combine like terms: 10a + 8a = 18a
-24 + 18a = 8a + -9

Reorder the terms:
-24 + 18a = -9 + 8a

Solving
-24 + 18a = -9 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-24 + 18a + -8a = -9 + 8a + -8a

Combine like terms: 18a + -8a = 10a
-24 + 10a = -9 + 8a + -8a

Combine like terms: 8a + -8a = 0
-24 + 10a = -9 + 0
-24 + 10a = -9

Add '24' to each side of the equation.
-24 + 24 + 10a = -9 + 24

Combine like terms: -24 + 24 = 0
0 + 10a = -9 + 24
10a = -9 + 24

Combine like terms: -9 + 24 = 15
10a = 15

Divide each side by '10'.
a = 1.5

Simplifying
a = 1.5

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