-4a+1=9+3(2a+1)+a

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Solution for -4a+1=9+3(2a+1)+a equation:


Simplifying
-4a + 1 = 9 + 3(2a + 1) + a

Reorder the terms:
1 + -4a = 9 + 3(2a + 1) + a

Reorder the terms:
1 + -4a = 9 + 3(1 + 2a) + a
1 + -4a = 9 + (1 * 3 + 2a * 3) + a
1 + -4a = 9 + (3 + 6a) + a

Combine like terms: 9 + 3 = 12
1 + -4a = 12 + 6a + a

Combine like terms: 6a + a = 7a
1 + -4a = 12 + 7a

Solving
1 + -4a = 12 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
1 + -4a + -7a = 12 + 7a + -7a

Combine like terms: -4a + -7a = -11a
1 + -11a = 12 + 7a + -7a

Combine like terms: 7a + -7a = 0
1 + -11a = 12 + 0
1 + -11a = 12

Add '-1' to each side of the equation.
1 + -1 + -11a = 12 + -1

Combine like terms: 1 + -1 = 0
0 + -11a = 12 + -1
-11a = 12 + -1

Combine like terms: 12 + -1 = 11
-11a = 11

Divide each side by '-11'.
a = -1

Simplifying
a = -1

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