5a-2=3(a+1)+9a+4

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Solution for 5a-2=3(a+1)+9a+4 equation:


Simplifying
5a + -2 = 3(a + 1) + 9a + 4

Reorder the terms:
-2 + 5a = 3(a + 1) + 9a + 4

Reorder the terms:
-2 + 5a = 3(1 + a) + 9a + 4
-2 + 5a = (1 * 3 + a * 3) + 9a + 4
-2 + 5a = (3 + 3a) + 9a + 4

Reorder the terms:
-2 + 5a = 3 + 4 + 3a + 9a

Combine like terms: 3 + 4 = 7
-2 + 5a = 7 + 3a + 9a

Combine like terms: 3a + 9a = 12a
-2 + 5a = 7 + 12a

Solving
-2 + 5a = 7 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-2 + 5a + -12a = 7 + 12a + -12a

Combine like terms: 5a + -12a = -7a
-2 + -7a = 7 + 12a + -12a

Combine like terms: 12a + -12a = 0
-2 + -7a = 7 + 0
-2 + -7a = 7

Add '2' to each side of the equation.
-2 + 2 + -7a = 7 + 2

Combine like terms: -2 + 2 = 0
0 + -7a = 7 + 2
-7a = 7 + 2

Combine like terms: 7 + 2 = 9
-7a = 9

Divide each side by '-7'.
a = -1.285714286

Simplifying
a = -1.285714286

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