-2(a-5)=30

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Solution for -2(a-5)=30 equation: 


Simplifying
-2(a + -5) = 30

Reorder the terms:
-2(-5 + a) = 30
(-5 * -2 + a * -2) = 30
(10 + -2a) = 30

Solving
10 + -2a = 30

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + -2a = 30 + -10

Combine like terms: 10 + -10 = 0
0 + -2a = 30 + -10
-2a = 30 + -10

Combine like terms: 30 + -10 = 20
-2a = 20

Divide each side by '-2'.
a = -10

Simplifying
a = -10

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