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kalawson2019
21.10.2019 •
Mathematics
Solve the following equations for x, and give evidence that your solutions are correct (2x/9)+(5/9)=(8/9).
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Ответ:
The solution is
.
Step-by-step explanation:
We have the following equation![\left(\frac{2x}{9}\right)+\left(\frac{5}{9}\right)=\left(\frac{8}{9}\right)](/tpl/images/0339/4208/86b13.png)
To find the value of x, you must:
Subtract![\frac{2x}{9}+\frac{5}{9}-\frac{5}{9}=\frac{8}{9}-\frac{5}{9}](/tpl/images/0339/4208/bd3a8.png)
Simplify![\frac{2x}{9}=\frac{1}{3}](/tpl/images/0339/4208/05696.png)
Multiply both sides by 9![\frac{2x}{9}\cdot \:9=\frac{1}{3}\cdot \:9](/tpl/images/0339/4208/ed490.png)
Simplify![2x=3](/tpl/images/0339/4208/ea11c.png)
Divide both sides by 2To check if this value is a solution of the equation, you substitute the value into the equation and see if the numbers match.
Both sides are equal, verifying that
is a valid solution.
Ответ:
150g
Step-by-step explanation:
yassn try it it works