165=3(6-7a)

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Solution for 165=3(6-7a) equation:


Simplifying
165 = 3(6 + -7a)
165 = (6 * 3 + -7a * 3)
165 = (18 + -21a)

Solving
165 = 18 + -21a

Solving for variable 'a'.

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

Add '21a' to each side of the equation.
165 + 21a = 18 + -21a + 21a

Combine like terms: -21a + 21a = 0
165 + 21a = 18 + 0
165 + 21a = 18

Add '-165' to each side of the equation.
165 + -165 + 21a = 18 + -165

Combine like terms: 165 + -165 = 0
0 + 21a = 18 + -165
21a = 18 + -165

Combine like terms: 18 + -165 = -147
21a = -147

Divide each side by '21'.
a = -7

Simplifying
a = -7

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