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

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


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

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

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

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

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

Combine like terms: 5a + 9a = 14a
-4 + 2a = 9 + 14a

Solving
-4 + 2a = 9 + 14a

Solving for variable 'a'.

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

Add '-14a' to each side of the equation.
-4 + 2a + -14a = 9 + 14a + -14a

Combine like terms: 2a + -14a = -12a
-4 + -12a = 9 + 14a + -14a

Combine like terms: 14a + -14a = 0
-4 + -12a = 9 + 0
-4 + -12a = 9

Add '4' to each side of the equation.
-4 + 4 + -12a = 9 + 4

Combine like terms: -4 + 4 = 0
0 + -12a = 9 + 4
-12a = 9 + 4

Combine like terms: 9 + 4 = 13
-12a = 13

Divide each side by '-12'.
a = -1.083333333

Simplifying
a = -1.083333333

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