4=18-3a

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Solution for 4=18-3a equation:


Simplifying
4 = 18 + -3a

Solving
4 = 18 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
4 + 3a = 18 + -3a + 3a

Combine like terms: -3a + 3a = 0
4 + 3a = 18 + 0
4 + 3a = 18

Add '-4' to each side of the equation.
4 + -4 + 3a = 18 + -4

Combine like terms: 4 + -4 = 0
0 + 3a = 18 + -4
3a = 18 + -4

Combine like terms: 18 + -4 = 14
3a = 14

Divide each side by '3'.
a = 4.666666667

Simplifying
a = 4.666666667

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