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

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


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

Reorder the terms:
2(-5 + a) + 4 = a + 9
(-5 * 2 + a * 2) + 4 = a + 9
(-10 + 2a) + 4 = a + 9

Reorder the terms:
-10 + 4 + 2a = a + 9

Combine like terms: -10 + 4 = -6
-6 + 2a = a + 9

Reorder the terms:
-6 + 2a = 9 + a

Solving
-6 + 2a = 9 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-6 + 2a + -1a = 9 + a + -1a

Combine like terms: 2a + -1a = 1a
-6 + 1a = 9 + a + -1a

Combine like terms: a + -1a = 0
-6 + 1a = 9 + 0
-6 + 1a = 9

Add '6' to each side of the equation.
-6 + 6 + 1a = 9 + 6

Combine like terms: -6 + 6 = 0
0 + 1a = 9 + 6
1a = 9 + 6

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

Divide each side by '1'.
a = 15

Simplifying
a = 15

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