11a+9=4a+13

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Solution for 11a+9=4a+13 equation:


Simplifying
11a + 9 = 4a + 13

Reorder the terms:
9 + 11a = 4a + 13

Reorder the terms:
9 + 11a = 13 + 4a

Solving
9 + 11a = 13 + 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.
9 + 11a + -4a = 13 + 4a + -4a

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

Combine like terms: 4a + -4a = 0
9 + 7a = 13 + 0
9 + 7a = 13

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

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

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

Divide each side by '7'.
a = 0.5714285714

Simplifying
a = 0.5714285714

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