4a-(3a-9)=17

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Solution for 4a-(3a-9)=17 equation:


Simplifying
4a + -1(3a + -9) = 17

Reorder the terms:
4a + -1(-9 + 3a) = 17
4a + (-9 * -1 + 3a * -1) = 17
4a + (9 + -3a) = 17

Reorder the terms:
9 + 4a + -3a = 17

Combine like terms: 4a + -3a = 1a
9 + 1a = 17

Solving
9 + 1a = 17

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 1a = 17 + -9

Combine like terms: 9 + -9 = 0
0 + 1a = 17 + -9
1a = 17 + -9

Combine like terms: 17 + -9 = 8
1a = 8

Divide each side by '1'.
a = 8

Simplifying
a = 8

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