2-4a=18

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Solution for 2-4a=18 equation: 


Simplifying
2 + -4a = 18

Solving
2 + -4a = 18

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + -4a = 18 + -2

Combine like terms: 2 + -2 = 0
0 + -4a = 18 + -2
-4a = 18 + -2

Combine like terms: 18 + -2 = 16
-4a = 16

Divide each side by '-4'.
a = -4

Simplifying
a = -4

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