4-7a=12-3a

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Solution for 4-7a=12-3a equation:


Simplifying
4 + -7a = 12 + -3a

Solving
4 + -7a = 12 + -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.
4 + -7a + 3a = 12 + -3a + 3a

Combine like terms: -7a + 3a = -4a
4 + -4a = 12 + -3a + 3a

Combine like terms: -3a + 3a = 0
4 + -4a = 12 + 0
4 + -4a = 12

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

Combine like terms: 4 + -4 = 0
0 + -4a = 12 + -4
-4a = 12 + -4

Combine like terms: 12 + -4 = 8
-4a = 8

Divide each side by '-4'.
a = -2

Simplifying
a = -2

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