4(a-3)+a=15+2a+9

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Solution for 4(a-3)+a=15+2a+9 equation:


Simplifying
4(a + -3) + a = 15 + 2a + 9

Reorder the terms:
4(-3 + a) + a = 15 + 2a + 9
(-3 * 4 + a * 4) + a = 15 + 2a + 9
(-12 + 4a) + a = 15 + 2a + 9

Combine like terms: 4a + a = 5a
-12 + 5a = 15 + 2a + 9

Reorder the terms:
-12 + 5a = 15 + 9 + 2a

Combine like terms: 15 + 9 = 24
-12 + 5a = 24 + 2a

Solving
-12 + 5a = 24 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-12 + 5a + -2a = 24 + 2a + -2a

Combine like terms: 5a + -2a = 3a
-12 + 3a = 24 + 2a + -2a

Combine like terms: 2a + -2a = 0
-12 + 3a = 24 + 0
-12 + 3a = 24

Add '12' to each side of the equation.
-12 + 12 + 3a = 24 + 12

Combine like terms: -12 + 12 = 0
0 + 3a = 24 + 12
3a = 24 + 12

Combine like terms: 24 + 12 = 36
3a = 36

Divide each side by '3'.
a = 12

Simplifying
a = 12

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