(-7a+4)+(4a+-8)=

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Solution for (-7a+4)+(4a+-8)= equation:


Simplifying
(-7a + 4) + (4a + -8) = 0

Reorder the terms:
(4 + -7a) + (4a + -8) = 0

Remove parenthesis around (4 + -7a)
4 + -7a + (4a + -8) = 0

Reorder the terms:
4 + -7a + (-8 + 4a) = 0

Remove parenthesis around (-8 + 4a)
4 + -7a + -8 + 4a = 0

Reorder the terms:
4 + -8 + -7a + 4a = 0

Combine like terms: 4 + -8 = -4
-4 + -7a + 4a = 0

Combine like terms: -7a + 4a = -3a
-4 + -3a = 0

Solving
-4 + -3a = 0

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 + -3a = 0 + 4

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

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

Divide each side by '-3'.
a = -1.333333333

Simplifying
a = -1.333333333

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