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

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


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

Reorder the terms:
3(-5 + a) = 6(a + -9)
(-5 * 3 + a * 3) = 6(a + -9)
(-15 + 3a) = 6(a + -9)

Reorder the terms:
-15 + 3a = 6(-9 + a)
-15 + 3a = (-9 * 6 + a * 6)
-15 + 3a = (-54 + 6a)

Solving
-15 + 3a = -54 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
-15 + 3a + -6a = -54 + 6a + -6a

Combine like terms: 3a + -6a = -3a
-15 + -3a = -54 + 6a + -6a

Combine like terms: 6a + -6a = 0
-15 + -3a = -54 + 0
-15 + -3a = -54

Add '15' to each side of the equation.
-15 + 15 + -3a = -54 + 15

Combine like terms: -15 + 15 = 0
0 + -3a = -54 + 15
-3a = -54 + 15

Combine like terms: -54 + 15 = -39
-3a = -39

Divide each side by '-3'.
a = 13

Simplifying
a = 13

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