4(a+2)=3a-9

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


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

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

Reorder the terms:
8 + 4a = -9 + 3a

Solving
8 + 4a = -9 + 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.
8 + 4a + -3a = -9 + 3a + -3a

Combine like terms: 4a + -3a = 1a
8 + 1a = -9 + 3a + -3a

Combine like terms: 3a + -3a = 0
8 + 1a = -9 + 0
8 + 1a = -9

Add '-8' to each side of the equation.
8 + -8 + 1a = -9 + -8

Combine like terms: 8 + -8 = 0
0 + 1a = -9 + -8
1a = -9 + -8

Combine like terms: -9 + -8 = -17
1a = -17

Divide each side by '1'.
a = -17

Simplifying
a = -17

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