What is 5x+0.3y=4.56,0.02x-0.9y=-0.912 ?

The solution to 5x+0.3y=4.56,0.02x-0.9y=-0.912 is x=0.85006…,y=(0.93024)/(0.9012)

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5x+0.3y=4.56,0.02x-0.9y=-0.912

5 x + 0.3 y = 4.56, 0.02 x - 0.9 y = - 0.912

x = 0.85006 \dots, y = \frac{0.93024}{0.9012}

Solution steps

[5 x + 0.3 y = 4.56 0.02 x - 0.9 y = - 0.912]

Isolate

x

for

5 x + 0.3 y = 4.56 : x = \frac{3 ( - 5 y + 76 )}{250}

Substitute

x = \frac{3 ( - 5 y + 76 )}{250}

[0.02 \cdot \frac{3 ( - 5 y + 76 )}{250} - 0.9 y = - 0.912]

Simplify

[- 0.9012 y + 0.01824 = - 0.912]

Isolate

y

for

- 0.9012 y + 0.01824 = - 0.912 : y = \frac{0.93024}{0.9012}

For

x = \frac{3 ( - 5 y + 76 )}{250}

Substitute

y = \frac{0.93024}{0.9012}

x = \frac{3 ( - 5 \cdot \frac{0.93024}{0.9012} + 76 )}{250}

\frac{3 ( - 5 \cdot \frac{0.93024}{0.9012} + 76 )}{250} = 0.85006 \dots

x = 0.85006 \dots

The solutions to the system of equations are:

x = 0.85006 \dots, y = \frac{0.93024}{0.9012}

4 x + 5 y = 5, 2 x - y = 12

3 x + 4 y = 2, 7 - x - y = 1

2 x - 3 y = 5, 4 x - y = 8

4 a + 5 b = - 3, - 7 b + 3 a = - 13

2 x + 3 y + z = 9, x + 2 y + 3 z = 6, 3 x + y + 2 z = 8

What is 5x+0.3y=4.56,0.02x-0.9y=-0.912 ?
The solution to 5x+0.3y=4.56,0.02x-0.9y=-0.912 is x=0.85006…,y=(0.93024)/(0.9012)