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

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


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

Reorder the terms:
2(-9 + 4a) + 3 = 5a + -6
(-9 * 2 + 4a * 2) + 3 = 5a + -6
(-18 + 8a) + 3 = 5a + -6

Reorder the terms:
-18 + 3 + 8a = 5a + -6

Combine like terms: -18 + 3 = -15
-15 + 8a = 5a + -6

Reorder the terms:
-15 + 8a = -6 + 5a

Solving
-15 + 8a = -6 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
-15 + 8a + -5a = -6 + 5a + -5a

Combine like terms: 8a + -5a = 3a
-15 + 3a = -6 + 5a + -5a

Combine like terms: 5a + -5a = 0
-15 + 3a = -6 + 0
-15 + 3a = -6

Add '15' to each side of the equation.
-15 + 15 + 3a = -6 + 15

Combine like terms: -15 + 15 = 0
0 + 3a = -6 + 15
3a = -6 + 15

Combine like terms: -6 + 15 = 9
3a = 9

Divide each side by '3'.
a = 3

Simplifying
a = 3

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