a+5-7a=8+3a-2a+4

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Solution for a+5-7a=8+3a-2a+4 equation:


Simplifying
a + 5 + -7a = 8 + 3a + -2a + 4

Reorder the terms:
5 + a + -7a = 8 + 3a + -2a + 4

Combine like terms: a + -7a = -6a
5 + -6a = 8 + 3a + -2a + 4

Reorder the terms:
5 + -6a = 8 + 4 + 3a + -2a

Combine like terms: 8 + 4 = 12
5 + -6a = 12 + 3a + -2a

Combine like terms: 3a + -2a = 1a
5 + -6a = 12 + 1a

Solving
5 + -6a = 12 + 1a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
5 + -6a + -1a = 12 + 1a + -1a

Combine like terms: -6a + -1a = -7a
5 + -7a = 12 + 1a + -1a

Combine like terms: 1a + -1a = 0
5 + -7a = 12 + 0
5 + -7a = 12

Add '-5' to each side of the equation.
5 + -5 + -7a = 12 + -5

Combine like terms: 5 + -5 = 0
0 + -7a = 12 + -5
-7a = 12 + -5

Combine like terms: 12 + -5 = 7
-7a = 7

Divide each side by '-7'.
a = -1

Simplifying
a = -1

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