3a-5=40

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Solution for 3a-5=40 equation:


3a-5=40

We simplify the equation to the form, which is simple to understand 
3a-5=40

We move all terms containing a to the left and all other terms to the right. 
+3a=+40+5

We simplify left and right side of the equation. 
+3a=+45

We divide both sides of the equation by 3 to get a. 
a=15

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