3(a+3)-2=4(a-6)+a

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Solution for 3(a+3)-2=4(a-6)+a equation:


Simplifying
3(a + 3) + -2 = 4(a + -6) + a

Reorder the terms:
3(3 + a) + -2 = 4(a + -6) + a
(3 * 3 + a * 3) + -2 = 4(a + -6) + a
(9 + 3a) + -2 = 4(a + -6) + a

Reorder the terms:
9 + -2 + 3a = 4(a + -6) + a

Combine like terms: 9 + -2 = 7
7 + 3a = 4(a + -6) + a

Reorder the terms:
7 + 3a = 4(-6 + a) + a
7 + 3a = (-6 * 4 + a * 4) + a
7 + 3a = (-24 + 4a) + a

Combine like terms: 4a + a = 5a
7 + 3a = -24 + 5a

Solving
7 + 3a = -24 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
7 + 3a + -5a = -24 + 5a + -5a

Combine like terms: 3a + -5a = -2a
7 + -2a = -24 + 5a + -5a

Combine like terms: 5a + -5a = 0
7 + -2a = -24 + 0
7 + -2a = -24

Add '-7' to each side of the equation.
7 + -7 + -2a = -24 + -7

Combine like terms: 7 + -7 = 0
0 + -2a = -24 + -7
-2a = -24 + -7

Combine like terms: -24 + -7 = -31
-2a = -31

Divide each side by '-2'.
a = 15.5

Simplifying
a = 15.5

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