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Popular >

x+y=40,x-3y=20

Solution

x + y = 40, x - 3 y = 20

Solution

x = 35, y = 5

Solution steps

[x + y = 40 x - 3 y = 20]

Isolate

x

for

x + y = 40 : x = 40 - y

Substitute

x = 40 - y

[40 - y - 3 y = 20]

Simplify

[40 - 4 y = 20]

Isolate

y

for

40 - 4 y = 20 : y = 5

For

x = 40 - y

Substitute

y = 5

x = 40 - 5

Simplify

x = 35

The solutions to the system of equations are:

x = 35, y = 5

Popular Examples

7(y+3)-2(x+2)=14,4(y+2)+4(x+3)=44

7 (y + 3) - 2 (x + 2) = 14, 4 (y + 2) + 4 (x + 3) = 44

5x-12y=21,3x+5y=20

5 x - 12 y = 21, 3 x + 5 y = 20

x/3+y/4 =6,+x/6+y/2 =6

\frac{x}{3} + \frac{y}{4} = 6, + \frac{x}{6} + \frac{y}{2} = 6

2x+y=31,3y-x=23

2 x + y = 31, 3 y - x = 23

x+sqrt(y)=7,sqrt(x)+y=11

x + y = 7, x + y = 11

Frequently Asked Questions (FAQ)

What is x+y=40,x-3y=20 ?
The solution to x+y=40,x-3y=20 is x=35,y=5