3a-7=2(a+1)+12a+3

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Solution for 3a-7=2(a+1)+12a+3 equation:


Simplifying
3a + -7 = 2(a + 1) + 12a + 3

Reorder the terms:
-7 + 3a = 2(a + 1) + 12a + 3

Reorder the terms:
-7 + 3a = 2(1 + a) + 12a + 3
-7 + 3a = (1 * 2 + a * 2) + 12a + 3
-7 + 3a = (2 + 2a) + 12a + 3

Reorder the terms:
-7 + 3a = 2 + 3 + 2a + 12a

Combine like terms: 2 + 3 = 5
-7 + 3a = 5 + 2a + 12a

Combine like terms: 2a + 12a = 14a
-7 + 3a = 5 + 14a

Solving
-7 + 3a = 5 + 14a

Solving for variable 'a'.

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

Add '-14a' to each side of the equation.
-7 + 3a + -14a = 5 + 14a + -14a

Combine like terms: 3a + -14a = -11a
-7 + -11a = 5 + 14a + -14a

Combine like terms: 14a + -14a = 0
-7 + -11a = 5 + 0
-7 + -11a = 5

Add '7' to each side of the equation.
-7 + 7 + -11a = 5 + 7

Combine like terms: -7 + 7 = 0
0 + -11a = 5 + 7
-11a = 5 + 7

Combine like terms: 5 + 7 = 12
-11a = 12

Divide each side by '-11'.
a = -1.090909091

Simplifying
a = -1.090909091

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