18-69=4a-(a+3)

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Solution for 18-69=4a-(a+3) equation:


18-69=4a-(a+3)

We simplify the equation to the form, which is simple to understand 
18-69=4a-(a+3)

Remove unnecessary parentheses
18-69=4a-1a-3

We move all terms containing a to the left and all other terms to the right. 
-4a+1a=-3-18+69

We simplify left and right side of the equation. 
-3a=+48

We divide both sides of the equation by -3 to get a. 
a=-16

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