-15-3(1-a)=0

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Solution for -15-3(1-a)=0 equation:


Simplifying
-15 + -3(1 + -1a) = 0
-15 + (1 * -3 + -1a * -3) = 0
-15 + (-3 + 3a) = 0

Combine like terms: -15 + -3 = -18
-18 + 3a = 0

Solving
-18 + 3a = 0

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + 3a = 0 + 18

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

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

Divide each side by '3'.
a = 6

Simplifying
a = 6

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