4-5a+7-3a=27

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Solution for 4-5a+7-3a=27 equation: 


Simplifying
4 + -5a + 7 + -3a = 27

Reorder the terms:
4 + 7 + -5a + -3a = 27

Combine like terms: 4 + 7 = 11
11 + -5a + -3a = 27

Combine like terms: -5a + -3a = -8a
11 + -8a = 27

Solving
11 + -8a = 27

Solving for variable 'a'.

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

Add '-11' to each side of the equation.
11 + -11 + -8a = 27 + -11

Combine like terms: 11 + -11 = 0
0 + -8a = 27 + -11
-8a = 27 + -11

Combine like terms: 27 + -11 = 16
-8a = 16

Divide each side by '-8'.
a = -2

Simplifying
a = -2

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