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djverab [1.8K]
3 years ago
15

Two thirds plus a number plus 4 is 7

Mathematics
2 answers:
Reika [66]3 years ago
7 0
9/2 is the answer


7-4= 3
3times 3/2 is 9/2
Nitella [24]3 years ago
6 0

Answer:

The answer is \frac{7}{3}

Step-by-step explanation:

In order to determine the answer, we have to express the statement to a algebraic expression.

The "two thirds" means \frac{2}{3}.

Then "plus a number" means +x. "x" is the variable that we want to know its value.

Then "plus 4" means +4.

So, the algebraic expression is:

\frac{2}{3}+x+4=7

Then, we have to solve for "x". We free this variable in any side of the equation:

x=-\frac{2}{3}+7-4\\x=\frac{-2+9}{3}\\x=\frac{7}{3}\\

Finally, the "x" value is \frac{7}{3}

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