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2 years ago

Solve for a. 1/3(21−3a)=6−a

2 answers:

3 0

1/3(21-3a)=6-a
I simplified the equation to the form, which is simple to understand
1/3(21-3a)=6-a
Simplifying:
 + 0.333333333333*(21-3a)=6-a
Reorder the terms in parentheses
+(+7-1a)=6-a
Remove unnecessary parentheses
+7-1a=+6-a
We move all terms containing a to the left and all other terms to the right.
-1a+1a=+6-7
We simplify left and right side of the equation.
a=-1
0=-1
The left and right sides are not equal, therefore there is no solution. This equation is invalid
Hope this helped

pentagon [3]2 years ago

3 0

7 - a = 6 - a
+ a. + a
---------------------
7 = 6
False

Answer: No solution

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3 years ago

Solve for a. ​ 1/3(21−3a)=6−a​

Solve for a. 1/3(21−3a)=6−a