6(a-9)=4(a-5)

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Solution for 6(a-9)=4(a-5) equation:


Simplifying
6(a + -9) = 4(a + -5)

Reorder the terms:
6(-9 + a) = 4(a + -5)
(-9 * 6 + a * 6) = 4(a + -5)
(-54 + 6a) = 4(a + -5)

Reorder the terms:
-54 + 6a = 4(-5 + a)
-54 + 6a = (-5 * 4 + a * 4)
-54 + 6a = (-20 + 4a)

Solving
-54 + 6a = -20 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-54 + 6a + -4a = -20 + 4a + -4a

Combine like terms: 6a + -4a = 2a
-54 + 2a = -20 + 4a + -4a

Combine like terms: 4a + -4a = 0
-54 + 2a = -20 + 0
-54 + 2a = -20

Add '54' to each side of the equation.
-54 + 54 + 2a = -20 + 54

Combine like terms: -54 + 54 = 0
0 + 2a = -20 + 54
2a = -20 + 54

Combine like terms: -20 + 54 = 34
2a = 34

Divide each side by '2'.
a = 17

Simplifying
a = 17

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