9-4a=-5a+4

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Solution for 9-4a=-5a+4 equation:


Simplifying
9 + -4a = -5a + 4

Reorder the terms:
9 + -4a = 4 + -5a

Solving
9 + -4a = 4 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
9 + -4a + 5a = 4 + -5a + 5a

Combine like terms: -4a + 5a = 1a
9 + 1a = 4 + -5a + 5a

Combine like terms: -5a + 5a = 0
9 + 1a = 4 + 0
9 + 1a = 4

Add '-9' to each side of the equation.
9 + -9 + 1a = 4 + -9

Combine like terms: 9 + -9 = 0
0 + 1a = 4 + -9
1a = 4 + -9

Combine like terms: 4 + -9 = -5
1a = -5

Divide each side by '1'.
a = -5

Simplifying
a = -5

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