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

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


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

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

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

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

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

Combine like terms: 2a + 9a = 11a
-4 + 2a = 7 + 11a

Solving
-4 + 2a = 7 + 11a

Solving for variable 'a'.

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

Add '-11a' to each side of the equation.
-4 + 2a + -11a = 7 + 11a + -11a

Combine like terms: 2a + -11a = -9a
-4 + -9a = 7 + 11a + -11a

Combine like terms: 11a + -11a = 0
-4 + -9a = 7 + 0
-4 + -9a = 7

Add '4' to each side of the equation.
-4 + 4 + -9a = 7 + 4

Combine like terms: -4 + 4 = 0
0 + -9a = 7 + 4
-9a = 7 + 4

Combine like terms: 7 + 4 = 11
-9a = 11

Divide each side by '-9'.
a = -1.222222222

Simplifying
a = -1.222222222

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