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

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


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

Combine like terms: 9 + -3 = 6
3(6) = 4(3 + -4a)

Multiply 3 * 6
18 = 4(3 + -4a)
18 = (3 * 4 + -4a * 4)
18 = (12 + -16a)

Solving
18 = 12 + -16a

Solving for variable 'a'.

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

Add '16a' to each side of the equation.
18 + 16a = 12 + -16a + 16a

Combine like terms: -16a + 16a = 0
18 + 16a = 12 + 0
18 + 16a = 12

Add '-18' to each side of the equation.
18 + -18 + 16a = 12 + -18

Combine like terms: 18 + -18 = 0
0 + 16a = 12 + -18
16a = 12 + -18

Combine like terms: 12 + -18 = -6
16a = -6

Divide each side by '16'.
a = -0.375

Simplifying
a = -0.375

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