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

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


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

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

Combine like terms: 3a + -4a = -1a
5 + -1a = 7 + -3a + -8

Reorder the terms:
5 + -1a = 7 + -8 + -3a

Combine like terms: 7 + -8 = -1
5 + -1a = -1 + -3a

Solving
5 + -1a = -1 + -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.
5 + -1a + 3a = -1 + -3a + 3a

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

Combine like terms: -3a + 3a = 0
5 + 2a = -1 + 0
5 + 2a = -1

Add '-5' to each side of the equation.
5 + -5 + 2a = -1 + -5

Combine like terms: 5 + -5 = 0
0 + 2a = -1 + -5
2a = -1 + -5

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

Divide each side by '2'.
a = -3

Simplifying
a = -3

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