4a-(9-3a)=8a-1

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Solution for 4a-(9-3a)=8a-1 equation:


Simplifying
4a + -1(9 + -3a) = 8a + -1
4a + (9 * -1 + -3a * -1) = 8a + -1
4a + (-9 + 3a) = 8a + -1

Reorder the terms:
-9 + 4a + 3a = 8a + -1

Combine like terms: 4a + 3a = 7a
-9 + 7a = 8a + -1

Reorder the terms:
-9 + 7a = -1 + 8a

Solving
-9 + 7a = -1 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-9 + 7a + -8a = -1 + 8a + -8a

Combine like terms: 7a + -8a = -1a
-9 + -1a = -1 + 8a + -8a

Combine like terms: 8a + -8a = 0
-9 + -1a = -1 + 0
-9 + -1a = -1

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

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

Combine like terms: -1 + 9 = 8
-1a = 8

Divide each side by '-1'.
a = -8

Simplifying
a = -8

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