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3 years ago

15

Solve for a. 1/3(21−3a)=6−a

2 answers:

Tems11 [23]3 years ago

3 0

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

</span></span></span></span></span></span></span></span>

pentagon [3]3 years ago

3 0

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

Answer: No solution

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