5a+4-7a=-27

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


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

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

Combine like terms: 5a + -7a = -2a
4 + -2a = -27

Solving
4 + -2a = -27

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + -2a = -27 + -4

Combine like terms: 4 + -4 = 0
0 + -2a = -27 + -4
-2a = -27 + -4

Combine like terms: -27 + -4 = -31
-2a = -31

Divide each side by '-2'.
a = 15.5

Simplifying
a = 15.5

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