3(a-10)=30

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Solution for 3(a-10)=30 equation: 


Simplifying
3(a + -10) = 30

Reorder the terms:
3(-10 + a) = 30
(-10 * 3 + a * 3) = 30
(-30 + 3a) = 30

Solving
-30 + 3a = 30

Solving for variable 'a'.

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

Add '30' to each side of the equation.
-30 + 30 + 3a = 30 + 30

Combine like terms: -30 + 30 = 0
0 + 3a = 30 + 30
3a = 30 + 30

Combine like terms: 30 + 30 = 60
3a = 60

Divide each side by '3'.
a = 20

Simplifying
a = 20

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