3(a-5)=75

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Solution for 3(a-5)=75 equation: 


Simplifying
3(a + -5) = 75

Reorder the terms:
3(-5 + a) = 75
(-5 * 3 + a * 3) = 75
(-15 + 3a) = 75

Solving
-15 + 3a = 75

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 = 75 + 15

Combine like terms: -15 + 15 = 0
0 + 3a = 75 + 15
3a = 75 + 15

Combine like terms: 75 + 15 = 90
3a = 90

Divide each side by '3'.
a = 30

Simplifying
a = 30

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