4a+13=9-7a

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Solution for 4a+13=9-7a equation:


Simplifying
4a + 13 = 9 + -7a

Reorder the terms:
13 + 4a = 9 + -7a

Solving
13 + 4a = 9 + -7a

Solving for variable 'a'.

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

Add '7a' to each side of the equation.
13 + 4a + 7a = 9 + -7a + 7a

Combine like terms: 4a + 7a = 11a
13 + 11a = 9 + -7a + 7a

Combine like terms: -7a + 7a = 0
13 + 11a = 9 + 0
13 + 11a = 9

Add '-13' to each side of the equation.
13 + -13 + 11a = 9 + -13

Combine like terms: 13 + -13 = 0
0 + 11a = 9 + -13
11a = 9 + -13

Combine like terms: 9 + -13 = -4
11a = -4

Divide each side by '11'.
a = -0.3636363636

Simplifying
a = -0.3636363636

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