3a+4a-5=20

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Solution for 3a+4a-5=20 equation:


3a+4a-5=20

We simplify the equation to the form, which is simple to understand 
3a+4a-5=20

We move all terms containing a to the left and all other terms to the right. 
+3a+4a=+20+5

We simplify left and right side of the equation. 
+7a=+25

We divide both sides of the equation by 7 to get a. 
a=3.57142857143

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