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Korvikt [17]
2 years ago
7

2x/9 +x/3 = 13/6, solve for x

Mathematics
2 answers:
scZoUnD [109]2 years ago
7 0

Answer:

\bold{\red{\boxed{\blue{ x = 3.9}}}}

Step-by-step explanation:

\frac{2x}{9}  +  \frac{x}{3}  =  \frac{13}{6}  \\  \frac{2x + 3x}{9}  =  \frac{13}{6}  \\  \frac{5x}{9}  =  \frac{13}{6}  \\ use \:  \: cross \:  \: multipication \\ 5x \times 6 = 9 \times 13 \\ 30x =11 7 \\  \frac{30x}{30}  =  \frac{117}{30}  \\ x = 3.9

saveliy_v [14]2 years ago
5 0

Answer:

x = 3 9/10

Step-by-step explanation:

2x/9 +x/3 = 13/6

Get a common denominator on the left side

2x/9 + x/3 *3/3 = 13/6

2x/9 + 3x/9 = 13/6

5x/9 = 13/6

Multiply each side by 9/5 to isolate x

5x/9 *9/5 = 13/6 * 9/5

x = 117/30

Divide the top and bottom by 3

x = 39/10

x = 3 9/10

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