What is f(x)=2,7f(x)=3x-9 ?

The solution to f(x)=2,7f(x)=3x-9 is x= 23/3 ,f=2

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f(x)=2,7f(x)=3x-9

f (x) = 2, 7 f (x) = 3 x - 9

x = \frac{23}{3}, f = 2

Solution steps

[f = 2 7 f = 3 x - 9]

Substitute

f = 2

[7 \cdot 2 = 3 x - 9]

Simplify

[14 = 3 x - 9]

Isolate

x

for

14 = 3 x - 9 : x = \frac{23}{3}

The solutions to the system of equations are:

x = \frac{23}{3}, f = 2

2 x + 3 y = 51, 1 x - 5 y = 6

\frac{5}{3} y = \frac{34}{3}, x = 2

\frac{11}{3} \cdot x + \frac{3}{4} \cdot y = \frac{5}{12}, \frac{7}{6} \cdot x + \frac{1}{5} \cdot y - \frac{5}{30} = 0

2 x + y = 8, 4 x - y = 10

x + 2 y = 13, 3 x + y = 14