2(a-3)=40

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Solution for 2(a-3)=40 equation: 


Simplifying
2(a + -3) = 40

Reorder the terms:
2(-3 + a) = 40
(-3 * 2 + a * 2) = 40
(-6 + 2a) = 40

Solving
-6 + 2a = 40

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 2a = 40 + 6

Combine like terms: -6 + 6 = 0
0 + 2a = 40 + 6
2a = 40 + 6

Combine like terms: 40 + 6 = 46
2a = 46

Divide each side by '2'.
a = 23

Simplifying
a = 23

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