9a-3(2a-4)=25

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Solution for 9a-3(2a-4)=25 equation:


Simplifying
9a + -3(2a + -4) = 25

Reorder the terms:
9a + -3(-4 + 2a) = 25
9a + (-4 * -3 + 2a * -3) = 25
9a + (12 + -6a) = 25

Reorder the terms:
12 + 9a + -6a = 25

Combine like terms: 9a + -6a = 3a
12 + 3a = 25

Solving
12 + 3a = 25

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 3a = 25 + -12

Combine like terms: 12 + -12 = 0
0 + 3a = 25 + -12
3a = 25 + -12

Combine like terms: 25 + -12 = 13
3a = 13

Divide each side by '3'.
a = 4.333333333

Simplifying
a = 4.333333333

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