What is 5x-19y=3700,4x-21y=1800 ?

The solution to 5x-19y=3700,4x-21y=1800 is x=1500,y=200

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5x-19y=3700,4x-21y=1800

5 x - 19 y = 3700, 4 x - 21 y = 1800

x = 1500, y = 200

Solution steps

[5 x - 19 y = 3700 4 x - 21 y = 1800]

Isolate

x

for

5 x - 19 y = 3700 : x = \frac{3700 + 19 y}{5}

Substitute

x = \frac{3700 + 19 y}{5}

[4 \cdot \frac{3700 + 19 y}{5} - 21 y = 1800]

Simplify

[\frac{14800 - 29 y}{5} = 1800]

Isolate

y

for

\frac{14800 - 29 y}{5} = 1800 : y = 200

For

x = \frac{3700 + 19 y}{5}

Substitute

y = 200

x = \frac{3700 + 19 \cdot 200}{5}

\frac{3700 + 19 \cdot 200}{5} = 1500

x = 1500

The solutions to the system of equations are:

x = 1500, y = 200

7 x + 3 y = 15, 5 x + 12 y = 39

\frac{x}{5} + \frac{( 3 y )}{4} = 6, \frac{( 2 x )}{3} - \frac{( 3 y )}{2} = 4

\frac{1}{7} x + \frac{y}{3} = 5, \frac{x}{2} - \frac{y}{9} = 6

3 x + 2 y = 5, x - 3 y = 9

3 x + 2 x + z = 6, 3 x + y + z = 5, x + y + z = 3

What is 5x-19y=3700,4x-21y=1800 ?
The solution to 5x-19y=3700,4x-21y=1800 is x=1500,y=200