6(a-7)+15=3(a-6)

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Solution for 6(a-7)+15=3(a-6) equation:


Simplifying
6(a + -7) + 15 = 3(a + -6)

Reorder the terms:
6(-7 + a) + 15 = 3(a + -6)
(-7 * 6 + a * 6) + 15 = 3(a + -6)
(-42 + 6a) + 15 = 3(a + -6)

Reorder the terms:
-42 + 15 + 6a = 3(a + -6)

Combine like terms: -42 + 15 = -27
-27 + 6a = 3(a + -6)

Reorder the terms:
-27 + 6a = 3(-6 + a)
-27 + 6a = (-6 * 3 + a * 3)
-27 + 6a = (-18 + 3a)

Solving
-27 + 6a = -18 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-27 + 6a + -3a = -18 + 3a + -3a

Combine like terms: 6a + -3a = 3a
-27 + 3a = -18 + 3a + -3a

Combine like terms: 3a + -3a = 0
-27 + 3a = -18 + 0
-27 + 3a = -18

Add '27' to each side of the equation.
-27 + 27 + 3a = -18 + 27

Combine like terms: -27 + 27 = 0
0 + 3a = -18 + 27
3a = -18 + 27

Combine like terms: -18 + 27 = 9
3a = 9

Divide each side by '3'.
a = 3

Simplifying
a = 3

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