12a+7=3a+-11

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Solution for 12a+7=3a+-11 equation:


Simplifying
12a + 7 = 3a + -11

Reorder the terms:
7 + 12a = 3a + -11

Reorder the terms:
7 + 12a = -11 + 3a

Solving
7 + 12a = -11 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
7 + 12a + -3a = -11 + 3a + -3a

Combine like terms: 12a + -3a = 9a
7 + 9a = -11 + 3a + -3a

Combine like terms: 3a + -3a = 0
7 + 9a = -11 + 0
7 + 9a = -11

Add '-7' to each side of the equation.
7 + -7 + 9a = -11 + -7

Combine like terms: 7 + -7 = 0
0 + 9a = -11 + -7
9a = -11 + -7

Combine like terms: -11 + -7 = -18
9a = -18

Divide each side by '9'.
a = -2

Simplifying
a = -2

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