13+6a+9a=4a+1

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Solution for 13+6a+9a=4a+1 equation:


Simplifying
13 + 6a + 9a = 4a + 1

Combine like terms: 6a + 9a = 15a
13 + 15a = 4a + 1

Reorder the terms:
13 + 15a = 1 + 4a

Solving
13 + 15a = 1 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
13 + 15a + -4a = 1 + 4a + -4a

Combine like terms: 15a + -4a = 11a
13 + 11a = 1 + 4a + -4a

Combine like terms: 4a + -4a = 0
13 + 11a = 1 + 0
13 + 11a = 1

Add '-13' to each side of the equation.
13 + -13 + 11a = 1 + -13

Combine like terms: 13 + -13 = 0
0 + 11a = 1 + -13
11a = 1 + -13

Combine like terms: 1 + -13 = -12
11a = -12

Divide each side by '11'.
a = -1.090909091

Simplifying
a = -1.090909091

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