-3(a-5)=18

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Solution for -3(a-5)=18 equation: 


Simplifying
-3(a + -5) = 18

Reorder the terms:
-3(-5 + a) = 18
(-5 * -3 + a * -3) = 18
(15 + -3a) = 18

Solving
15 + -3a = 18

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + -3a = 18 + -15

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

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

Divide each side by '-3'.
a = -1

Simplifying
a = -1

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