9(5-9a)=6(-3-3a)

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Solution for 9(5-9a)=6(-3-3a) equation:


Simplifying
9(5 + -9a) = 6(-3 + -3a)
(5 * 9 + -9a * 9) = 6(-3 + -3a)
(45 + -81a) = 6(-3 + -3a)
45 + -81a = (-3 * 6 + -3a * 6)
45 + -81a = (-18 + -18a)

Solving
45 + -81a = -18 + -18a

Solving for variable 'a'.

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

Add '18a' to each side of the equation.
45 + -81a + 18a = -18 + -18a + 18a

Combine like terms: -81a + 18a = -63a
45 + -63a = -18 + -18a + 18a

Combine like terms: -18a + 18a = 0
45 + -63a = -18 + 0
45 + -63a = -18

Add '-45' to each side of the equation.
45 + -45 + -63a = -18 + -45

Combine like terms: 45 + -45 = 0
0 + -63a = -18 + -45
-63a = -18 + -45

Combine like terms: -18 + -45 = -63
-63a = -63

Divide each side by '-63'.
a = 1

Simplifying
a = 1

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